90363172 has 12 divisors (see below), whose sum is σ = 158578560. Its totient is φ = 45055016.

The previous prime is 90363157. The next prime is 90363193. The reversal of 90363172 is 27136309.

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, 30028 + ... + 32899.

It is an arithmetic number, because the mean of its divisors is an integer number (13214880).

Almost surely, 2^90363172 is an apocalyptic number.

It is an amenable number.

90363172 is a deficient number, since it is larger than the sum of its proper divisors (68215388).

90363172 is a wasteful number, since it uses less digits than its factorization.

90363172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63290 (or 63288 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 90363172 is about 9505.9545549093. The cubic root of 90363172 is about 448.7424511265.

The spelling of 90363172 in words is "ninety million, three hundred sixty-three thousand, one hundred seventy-two".