Hecho general: 29247 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Hecho matemático: 29247 is an uninteresting number.
Trivia: 29247 is a boring number.
Fecha histórica: January 27th is the day in 447 that the Walls of Constantinople are severely damaged by an earthquake, destroying large parts of the wall, including 57 towers.