90970132 has 24 divisors (see below), whose sum is σ = 173964672. Its totient is φ = 41280000.

The previous prime is 90970123. The next prime is 90970169. The reversal of 90970132 is 23107909.

It is a junction number, because it is equal to n+sod(n) for n = 90970094 and 90970103.

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, 31668 + ... + 34420.

It is an arithmetic number, because the mean of its divisors is an integer number (7248528).

Almost surely, 2^90970132 is an apocalyptic number.

It is an amenable number.

90970132 is a deficient number, since it is larger than the sum of its proper divisors (82994540).

90970132 is a wasteful number, since it uses less digits than its factorization.

90970132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3519 (or 3517 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 90970132 is about 9537.8263771155. The cubic root of 90970132 is about 449.7449286975.

The spelling of 90970132 in words is "ninety million, nine hundred seventy thousand, one hundred thirty-two".