Hecho matemático: 97738 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Trivia: 97738 is an uninteresting number.
Fecha histórica: August 6th is the day in 1284 that the Republic of Pisa is defeated in the Battle of Meloria by the Republic of Genoa, thus losing its naval dominance in the Mediterranean.