Fait général: 43722 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 43722 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Culture générale: 43722 is an unremarkable number.
Date historique: September 15th is the day in 2008 that Lehman Brothers files for Chapter 11 bankruptcy, the largest bankruptcy filing in U.S. history.