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: 1705
 
 
                           MERRILL LYNCH & CO., INC.
                          MEDIUM-TERM NOTES, SERIES B
                   DUE NINE MONTHS OR MORE FROM DATE OF ISSUE
 
                                FIXED RATE NOTES
 
<TABLE>
<CAPTION>
 
<S>                      <C>
 
PRINCIPAL AMOUNT:        $75,000,000
 
 
CUSIP NUMBER:            59018SG57
 
 
INTEREST RATE:           5.81500%
 
 
ORIGINAL ISSUE DATE:     May 8, 1998
 
 
STATED MATURITY DATE:    May 10, 1999
 
 
INTEREST PAYMENT DATES:  Interest pays on November 15, 1998 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 5, 1998
 
 
</TABLE>