Hecho general: 84744 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 84744 is a boring number.
Trivia: 84744 is a boring number.
Fecha histórica: January 8th is the day in 1838 that Alfred Vail demonstrates a telegraph system using dots and dashes (this is the forerunner of Morse code).