Fatto generale: 67738 is a number for which we're missing a fact (submit one to numbersapi at google mail!).
Fatto matematico: 67738 is a boring number.
Trivia: 67738 is an uninteresting number.
Data storica: June 16th is the day in 1897 that a treaty annexing the Republic of Hawaii to the United States is signed; the Republic would not be dissolved until a year later.