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: 1699
 
 
                           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:        $27,000,000
 
 
CUSIP NUMBER:            59018S F74
 
 
INTEREST RATE:           5.90000%
 
 
ORIGINAL ISSUE DATE:     April 22, 1998
 
 
STATED MATURITY DATE:    August 15, 2000
 
 
INTEREST PAYMENT DATES:  Each May 15th and November 15th, commencing on May 15, 1998 through May 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:                   April 17, 1998
 
 
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