90274560 has 72 divisors (see below), whose sum is σ = 288326640. Its totient is φ = 24072192.

The previous prime is 90274553. The next prime is 90274603. The reversal of 90274560 is 6547209.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7915 + ... + 15594.

Almost surely, 2^90274560 is an apocalyptic number.

It is an amenable number.

90274560 is an abundant number, since it is smaller than the sum of its proper divisors (198052080).

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

90274560 is a wasteful number, since it uses less digits than its factorization.

90274560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23533 (or 23519 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 90274560 is about 9501.2925436490. The cubic root of 90274560 is about 448.5957211034.

The spelling of 90274560 in words is "ninety million, two hundred seventy-four thousand, five hundred sixty".