91325632 has 28 divisors (see below), whose sum is σ = 191886840. Its totient is φ = 42976256.

The previous prime is 91325629. The next prime is 91325639. The reversal of 91325632 is 23652319.

It is a junction number, because it is equal to n+sod(n) for n = 91325594 and 91325603.

It is not an unprimeable number, because it can be changed into a prime (91325639) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40882 + ... + 43057.

Almost surely, 2^91325632 is an apocalyptic number.

It is an amenable number.

91325632 is an abundant number, since it is smaller than the sum of its proper divisors (100561208).

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

91325632 is a wasteful number, since it uses less digits than its factorization.

91325632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83968 (or 83958 counting only the distinct ones).

The product of its digits is 9720, while the sum is 31.

The square root of 91325632 is about 9556.4445271241. Note that the first 3 decimals coincide. The cubic root of 91325632 is about 450.3300163531.

The spelling of 91325632 in words is "ninety-one million, three hundred twenty-five thousand, six hundred thirty-two".