It is a weak prime.
It is a cyclic number.
It is a Chen prime.
It is an Ulam number.
It is a plaindrome in base 12 and base 16.
It is a zygodrome in base 16.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 73727.
273727 is an apocalyptic number.
73727 is an equidigital number, since it uses as much as digits as its factorization.
73727 is an evil number, because the sum of its binary digits is even.
The square root of 73727 is about 271.5271625455. The cubic root of 73727 is about 41.9316727274.
Subtracting from 73727 its reverse (72737), we obtain a triangular number (990 = T44).
The spelling of 73727 in words is "seventy-three thousand, seven hundred twenty-seven", and thus it is an iban number.