90752172 has 24 divisors (see below), whose sum is σ = 242006016. Its totient is φ = 25929168.

The previous prime is 90752153. The next prime is 90752183. The reversal of 90752172 is 27125709.

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, 540108 + ... + 540275.

It is an arithmetic number, because the mean of its divisors is an integer number (10083584).

Almost surely, 2^90752172 is an apocalyptic number.

It is an amenable number.

90752172 is an abundant number, since it is smaller than the sum of its proper divisors (151253844).

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

90752172 is a wasteful number, since it uses less digits than its factorization.

90752172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1080397 (or 1080395 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 33.

The square root of 90752172 is about 9526.3934413817. The cubic root of 90752172 is about 449.3854524764.

The spelling of 90752172 in words is "ninety million, seven hundred fifty-two thousand, one hundred seventy-two".