90412704 has 36 divisors (see below), whose sum is σ = 257111946. Its totient is φ = 30137472.

The previous prime is 90412669. The next prime is 90412717. The reversal of 90412704 is 40721409.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 87385104 + 3027600 = 9348^2 + 1740^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156679 + ... + 157254.

Almost surely, 2^90412704 is an apocalyptic number.

It is an amenable number.

90412704 is an abundant number, since it is smaller than the sum of its proper divisors (166699242).

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

90412704 is a wasteful number, since it uses less digits than its factorization.

90412704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313949 (or 313938 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 90412704 is about 9508.5595123552. The cubic root of 90412704 is about 448.8244279268.

The spelling of 90412704 in words is "ninety million, four hundred twelve thousand, seven hundred four".