0000000073431734

0000000073431734 is a 16 character string. The last character is a check character for that string, calculated according ISO 7064 MOD 11-2. The string could be an ISNI according to ISO 27729.
In print an ISNI can be written as four blocks of four characters, in such cases often preceded by the string 'ISNI': ISNI 0000 0000 7343 1734

ISNI based link

ISNI based match

VIAF
https://viaf.org/viaf/103591314