90572275 has 24 divisors (see below), whose sum is σ = 118992384. Its totient is φ = 68244000.

The previous prime is 90572269. The next prime is 90572281. The reversal of 90572275 is 57227509.

It is an interprime number because it is at equal distance from previous prime (90572269) and next prime (90572281).

It is not a de Polignac number, because 90572275 - 2¹⁵ = 90539507 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37350 + ... + 39700.

It is an arithmetic number, because the mean of its divisors is an integer number (4958016).

Almost surely, 2^90572275 is an apocalyptic number.

90572275 is a deficient number, since it is larger than the sum of its proper divisors (28420109).

90572275 is a wasteful number, since it uses less digits than its factorization.

90572275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2451 (or 2446 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 90572275 is about 9516.9467267606. The cubic root of 90572275 is about 449.0883188285.

The spelling of 90572275 in words is "ninety million, five hundred seventy-two thousand, two hundred seventy-five".