Fatto generale: 746 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 746 is 1^{7} + 2^{4} + 3^{6}.
Trivia: 746 is an uninteresting number.
Data storica: January 15th is the day in 1993 that Salvatore Riina, the Mafia boss known as "The Beast", is arrested in Sicily, Italy after three decades as a fugitive.