FILE NO. 333-44173
                                                                  RULE 424(B)(3)
 
                             PROSPECTUS SUPPLEMENT
(TO PROSPECTUS DATED JANUARY 29, 1998 AND PROSPECTUS SUPPLEMENT DATED MARCH 12,
                                     1998)
                                     PROSPECTUS NUMBER: 1707
 
 
                           MERRILL LYNCH & CO., INC.
                          MEDIUM-TERM NOTES, SERIES B
                   DUE NINE MONTHS OR MORE FROM DATE OF ISSUE
 
                                FIXED RATE NOTES
 
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<S>                      <C>
 
PRINCIPAL AMOUNT:        $225,000,000
 
 
CUSIP NUMBER:            59018S G73
 
 
INTEREST RATE:           6.02000%
 
 
ORIGINAL ISSUE DATE:     May 11, 1998
 
 
STATED MATURITY DATE:    May 11, 2001
 
 
INTEREST PAYMENT DATES:  Each May 15th and November 15th, commencing on November 15, 1998 through November
                         15, 2000 and on the Stated Maturity Date, subject to Following Business Day
                         Convention.
 
 
REPAYMENT AT THE OPTION
OF THE HOLDER:           The Notes cannot be repaid prior to the Stated Maturity Date.
 
 
REDEMPTION AT THE OPTION
OF THE COMPANY:          The Notes cannot be redeemed prior to the Stated Maturity Date.
 
 
FORM:                    The Notes are being issued in fully registered book-entry form.
 
 
TRUSTEE:                 The Chase Manhattan Bank
 
 
DATED:                   May 6, 1998
 
 
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