90416625 has 64 divisors (see below), whose sum is σ = 171714816. Its totient is φ = 41856000.

The previous prime is 90416617. The next prime is 90416629. The reversal of 90416625 is 52661409.

It is not a de Polignac number, because 90416625 - 2³ = 90416617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (90416629) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82330 + ... + 83420.

It is an arithmetic number, because the mean of its divisors is an integer number (2683044).

Almost surely, 2^90416625 is an apocalyptic number.

It is an amenable number.

90416625 is a deficient number, since it is larger than the sum of its proper divisors (81298191).

90416625 is a wasteful number, since it uses less digits than its factorization.

90416625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139 (or 1129 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 90416625 is about 9508.7656927700. The cubic root of 90416625 is about 448.8309160089.

The spelling of 90416625 in words is "ninety million, four hundred sixteen thousand, six hundred twenty-five".