90572 has 6 divisors (see below), whose sum is σ = 158508. Its totient is φ = 45284.

The previous prime is 90547. The next prime is 90583. The reversal of 90572 is 27509.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11318 + ... + 11325.

It is an arithmetic number, because the mean of its divisors is an integer number (26418).

2⁹⁰⁵⁷² is an apocalyptic number.

It is an amenable number.

90572 is a deficient number, since it is larger than the sum of its proper divisors (67936).

90572 is a wasteful number, since it uses less digits than its factorization.

90572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22647 (or 22645 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 90572 is about 300.9518233871. The cubic root of 90572 is about 44.9087864313.

The spelling of 90572 in words is "ninety thousand, five hundred seventy-two".