91522672 has 20 divisors (see below), whose sum is σ = 177474256. Its totient is φ = 45722880.

The previous prime is 91522667. The next prime is 91522693. The reversal of 91522672 is 27622519.

It is a congruent number.

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, 33253 + ... + 35899.

Almost surely, 2^91522672 is an apocalyptic number.

It is an amenable number.

91522672 is a deficient number, since it is larger than the sum of its proper divisors (85951584).

91522672 is a wasteful number, since it uses less digits than its factorization.

91522672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4816 (or 4810 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 91522672 is about 9566.7482458775. The cubic root of 91522672 is about 450.6536541804.

The spelling of 91522672 in words is "ninety-one million, five hundred twenty-two thousand, six hundred seventy-two".