91625632 has 24 divisors (see below), whose sum is σ = 206158176. Its totient is φ = 39268032.

The previous prime is 91625621. The next prime is 91625659. The reversal of 91625632 is 23652619.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204298 + ... + 204745.

It is an arithmetic number, because the mean of its divisors is an integer number (8589924).

Almost surely, 2^91625632 is an apocalyptic number.

It is an amenable number.

91625632 is an abundant number, since it is smaller than the sum of its proper divisors (114532544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91625632 is a wasteful number, since it uses less digits than its factorization.

91625632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409060 (or 409052 counting only the distinct ones).

The product of its digits is 19440, while the sum is 34.

The square root of 91625632 is about 9572.1278721087. The cubic root of 91625632 is about 450.8225810370.

The spelling of 91625632 in words is "ninety-one million, six hundred twenty-five thousand, six hundred thirty-two".