91073625 has 16 divisors (see below), whose sum is σ = 151547136. Its totient is φ = 48572400.

The previous prime is 91073603. The next prime is 91073677. The reversal of 91073625 is 52637019.

It is not a de Polignac number, because 91073625 - 2⁶ = 91073561 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121057 + ... + 121806.

It is an arithmetic number, because the mean of its divisors is an integer number (9471696).

Almost surely, 2^91073625 is an apocalyptic number.

It is an amenable number.

91073625 is a deficient number, since it is larger than the sum of its proper divisors (60473511).

91073625 is a wasteful number, since it uses less digits than its factorization.

91073625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242881 (or 242871 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 91073625 is about 9543.2502324942. The cubic root of 91073625 is about 449.9154162011.

The spelling of 91073625 in words is "ninety-one million, seventy-three thousand, six hundred twenty-five".