Fatto generale: 71632 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 71632 is an unremarkable number.
Trivia: 71632 is a boring number.
Data storica: February 13th is the day in 1967 that American researchers discover the Madrid Codices by Leonardo da Vinci in the National Library of Spain.