90736172 has 24 divisors (see below), whose sum is σ = 167462400. Its totient is φ = 42898896.

The previous prime is 90736171. The next prime is 90736183. The reversal of 90736172 is 27163709.

It is not an unprimeable number, because it can be changed into a prime (90736171) by changing a digit.

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, 63053 + ... + 64475.

It is an arithmetic number, because the mean of its divisors is an integer number (6977600).

Almost surely, 2^90736172 is an apocalyptic number.

It is an amenable number.

90736172 is a deficient number, since it is larger than the sum of its proper divisors (76726228).

90736172 is a wasteful number, since it uses less digits than its factorization.

90736172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2285 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 90736172 is about 9525.5536322043. The cubic root of 90736172 is about 449.3590413919.

The spelling of 90736172 in words is "ninety million, seven hundred thirty-six thousand, one hundred seventy-two".