90407070932 has 12 divisors (see below), whose sum is σ = 167518984500. Its totient is φ = 42544503936.

The previous prime is 90407070931. The next prime is 90407070973. The reversal of 90407070932 is 23907070409.

It can be written as a sum of positive squares in 2 ways, for example, as 55057806736 + 35349264196 = 234644^2 + 188014^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90407070932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90407070931) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664757807 + ... + 664757942.

It is an arithmetic number, because the mean of its divisors is an integer number (13959915375).

Almost surely, 2^90407070932 is an apocalyptic number.

It is an amenable number.

90407070932 is a deficient number, since it is larger than the sum of its proper divisors (77111913568).

90407070932 is a wasteful number, since it uses less digits than its factorization.

90407070932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329515770 (or 1329515768 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 41.

The spelling of 90407070932 in words is "ninety billion, four hundred seven million, seventy thousand, nine hundred thirty-two".