90323472 has 40 divisors (see below), whose sum is σ = 238306176. Its totient is φ = 29466496.

The previous prime is 90323459. The next prime is 90323477. The reversal of 90323472 is 27432309.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (90323477) 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, 17763 + ... + 22274.

Almost surely, 2^90323472 is an apocalyptic number.

It is an amenable number.

90323472 is an abundant number, since it is smaller than the sum of its proper divisors (147982704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90323472 is a wasteful number, since it uses less digits than its factorization.

90323472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40095 (or 40089 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 90323472 is about 9503.8661606738. The cubic root of 90323472 is about 448.6767249223.

The spelling of 90323472 in words is "ninety million, three hundred twenty-three thousand, four hundred seventy-two".