Hecho general: 83719 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 83719 is an uninteresting number.
Trivia: 83719 is a boring number.
Fecha histórica: March 19th is the day in 1920 that the United States Senate rejects the Treaty of Versailles for the second time (the first time was on November 19, 1919).