90462972 has 24 divisors (see below), whose sum is σ = 211908816. Its totient is φ = 30035968.

The previous prime is 90462961. The next prime is 90463019. The reversal of 90462972 is 27926409.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 90462972.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11583 + ... + 17750.

It is an arithmetic number, because the mean of its divisors is an integer number (8829534).

Almost surely, 2^90462972 is an apocalyptic number.

It is an amenable number.

90462972 is an abundant number, since it is smaller than the sum of its proper divisors (121445844).

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

90462972 is a wasteful number, since it uses less digits than its factorization.

90462972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29597 (or 29595 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 90462972 is about 9511.2024476404. The cubic root of 90462972 is about 448.9075922217.

The spelling of 90462972 in words is "ninety million, four hundred sixty-two thousand, nine hundred seventy-two".