Fatto generale: 7275 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 7275 is an uninteresting number.
Trivia: 7275 is an uninteresting number.
Data storica: December 1st is the day in 1918 that Transylvania unites with Romania, following the incorporation of Bessarabia (March 27) and Bukovina (November 28), thus concluding the Great Union.