Hecho general: 71598 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 71598 is an unremarkable number.
Trivia: 71598 is an uninteresting number.
Fecha histórica: January 10th is the day in 1863 that the London Underground, the world's oldest underground railway, opens between London Paddington station and Farringdon station.