90269774 has 8 divisors (see below), whose sum is σ = 154748208. Its totient is φ = 38687040.

The previous prime is 90269761. The next prime is 90269807. The reversal of 90269774 is 47796209.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×90269774² = 16297264196022152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3223907 + ... + 3223934.

It is an arithmetic number, because the mean of its divisors is an integer number (19343526).

Almost surely, 2^90269774 is an apocalyptic number.

90269774 is a deficient number, since it is larger than the sum of its proper divisors (64478434).

90269774 is a wasteful number, since it uses less digits than its factorization.

90269774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6447850.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 90269774 is about 9501.0406798413. The cubic root of 90269774 is about 448.5877933732.

The spelling of 90269774 in words is "ninety million, two hundred sixty-nine thousand, seven hundred seventy-four".