91274944 has 14 divisors (see below), whose sum is σ = 181123844. Its totient is φ = 45637440.

The previous prime is 91274927. The next prime is 91274983. The reversal of 91274944 is 44947219.

It is a super-2 number, since 2×91274944² = 16662230804406272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 91274897 and 91274906.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713022 + ... + 713149.

Almost surely, 2^91274944 is an apocalyptic number.

It is an amenable number.

91274944 is a deficient number, since it is larger than the sum of its proper divisors (89848900).

91274944 is a wasteful number, since it uses less digits than its factorization.

91274944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426183 (or 1426173 counting only the distinct ones).

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

The square root of 91274944 is about 9553.7921266898. The cubic root of 91274944 is about 450.2466861432.

The spelling of 91274944 in words is "ninety-one million, two hundred seventy-four thousand, nine hundred forty-four".