Hecho general: 83747 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 83747 is a boring number.
Trivia: 83747 is an uninteresting number.
Fecha histórica: April 16th is the day in 73 that Masada, a Jewish fortress, falls to the Romans after several months of siege, ending the Jewish Revolt.