90272256 has 40 divisors (see below), whose sum is σ = 240495024. Its totient is φ = 30090240.

The previous prime is 90272251. The next prime is 90272257. The reversal of 90272256 is 65227209.

It is a happy number.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (90272251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27850 + ... + 30921.

Almost surely, 2^90272256 is an apocalyptic number.

90272256 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

90272256 is an abundant number, since it is smaller than the sum of its proper divisors (150222768).

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

90272256 is an equidigital number, since it uses as much as digits as its factorization.

90272256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58792 (or 58776 counting only the distinct ones).

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

The square root of 90272256 is about 9501.1712962140. The cubic root of 90272256 is about 448.5919046966.

The spelling of 90272256 in words is "ninety million, two hundred seventy-two thousand, two hundred fifty-six".