90532072672 has 12 divisors (see below), whose sum is σ = 178235018136. Its totient is φ = 45266036320.

The previous prime is 90532072669. The next prime is 90532072681. The reversal of 90532072672 is 27627023509.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1414563604 + ... + 1414563667.

It is an arithmetic number, because the mean of its divisors is an integer number (14852918178).

Almost surely, 2^90532072672 is an apocalyptic number.

It is an amenable number.

90532072672 is a deficient number, since it is larger than the sum of its proper divisors (87702945464).

90532072672 is a wasteful number, since it uses less digits than its factorization.

90532072672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2829127281 (or 2829127273 counting only the distinct ones).

The product of its (nonzero) digits is 317520, while the sum is 43.

The spelling of 90532072672 in words is "ninety billion, five hundred thirty-two million, seventy-two thousand, six hundred seventy-two".