Fatto generale: 84736 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 84736 is an uninteresting number.
Trivia: 84736 is an uninteresting number.
Data storica: December 31st is the day in 1695 that a window tax is imposed in England, causing many householders to brick up windows to avoid the tax.