90937173 has 8 divisors (see below), whose sum is σ = 127631200. Its totient is φ = 57433968.

The previous prime is 90937169. The next prime is 90937177. The reversal of 90937173 is 37173909.

It is an interprime number because it is at equal distance from previous prime (90937169) and next prime (90937177).

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

It is not a de Polignac number, because 90937173 - 2² = 90937169 is a prime.

It is a super-4 number, since 4×90937173⁴ (a number of 33 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90937177) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 797638 + ... + 797751.

It is an arithmetic number, because the mean of its divisors is an integer number (15953900).

Almost surely, 2^90937173 is an apocalyptic number.

It is an amenable number.

90937173 is a deficient number, since it is larger than the sum of its proper divisors (36694027).

90937173 is a wasteful number, since it uses less digits than its factorization.

90937173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1595411.

The product of its (nonzero) digits is 35721, while the sum is 39.

The square root of 90937173 is about 9536.0984160190. The cubic root of 90937173 is about 449.6906070819.

The spelling of 90937173 in words is "ninety million, nine hundred thirty-seven thousand, one hundred seventy-three".