90874972 has 12 divisors (see below), whose sum is σ = 159619936. Its totient is φ = 45269280.

The previous prime is 90874969. The next prime is 90875011. The reversal of 90874972 is 27947809.

It is a super-3 number, since 3×90874972³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 40833 + ... + 43000.

Almost surely, 2^90874972 is an apocalyptic number.

It is an amenable number.

90874972 is a deficient number, since it is larger than the sum of its proper divisors (68744964).

90874972 is a wasteful number, since it uses less digits than its factorization.

90874972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84108 (or 84106 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 46.

The square root of 90874972 is about 9532.8365138609. The cubic root of 90874972 is about 449.5880542813.

The spelling of 90874972 in words is "ninety million, eight hundred seventy-four thousand, nine hundred seventy-two".