90332372 has 12 divisors (see below), whose sum is σ = 170241876. Its totient is φ = 41691840.

The previous prime is 90332371. The next prime is 90332387. The reversal of 90332372 is 27323309.

It can be written as a sum of positive squares in 2 ways, for example, as 24462916 + 65869456 = 4946^2 + 8116^2 .

It is a super-2 number, since 2×90332372² = 16319874862292768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90332371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868529 + ... + 868632.

It is an arithmetic number, because the mean of its divisors is an integer number (14186823).

Almost surely, 2^90332372 is an apocalyptic number.

It is an amenable number.

90332372 is a deficient number, since it is larger than the sum of its proper divisors (79909504).

90332372 is a wasteful number, since it uses less digits than its factorization.

90332372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737178 (or 1737176 counting only the distinct ones).

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 90332372 is about 9504.3343796396. The cubic root of 90332372 is about 448.6914611867.

The spelling of 90332372 in words is "ninety million, three hundred thirty-two thousand, three hundred seventy-two".