91944272 has 40 divisors (see below), whose sum is σ = 204070272. Its totient is φ = 39312000.

The previous prime is 91944269. The next prime is 91944283. The reversal of 91944272 is 27244919.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70022 + ... + 71322.

Almost surely, 2^91944272 is an apocalyptic number.

It is an amenable number.

91944272 is an abundant number, since it is smaller than the sum of its proper divisors (112126000).

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

91944272 is a wasteful number, since it uses less digits than its factorization.

91944272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1947 (or 1941 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 91944272 is about 9588.7575837540. The cubic root of 91944272 is about 451.3445743718.

The spelling of 91944272 in words is "ninety-one million, nine hundred forty-four thousand, two hundred seventy-two".