Fait général: 4642 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 4642 is the smallest number whose cube has 11 digits.
Culture générale: 4642 is an unremarkable number.
Date historique: September 15th is the day in 1789 that the United States Department of State is established (formerly known as the "Department of Foreign Affairs").