Fait général: 28743 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fait mathématique: 28743 is an unremarkable number.
Culture générale: 28743 is an uninteresting number.
Date historique: September 10th is the day in 2001 that Charles Ingram cheats his way into winning one million pounds on a British version of Who Wants to be a Millionaire.