91632748 has 12 divisors (see below), whose sum is σ = 160511680. Its totient is φ = 45772272.

The previous prime is 91632731. The next prime is 91632787. The reversal of 91632748 is 84723619.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 91632748.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6108 + ... + 14851.

Almost surely, 2^91632748 is an apocalyptic number.

It is an amenable number.

91632748 is a deficient number, since it is larger than the sum of its proper divisors (68878932).

91632748 is a wasteful number, since it uses less digits than its factorization.

91632748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22056 (or 22054 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 91632748 is about 9572.4995690781. The cubic root of 91632748 is about 450.8342516084.

It can be divided in two parts, 9163 and 2748, that added together give a palindrome (11911).

The spelling of 91632748 in words is "ninety-one million, six hundred thirty-two thousand, seven hundred forty-eight".