Fait général: 47735 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 47735 is a boring number.
Culture générale: 47735 is a boring number.
Date historique: September 10th is the day in 1932 that the New York City Subway's third competing subway system, the municipally-owned IND, is opened.