90736816 has 20 divisors (see below), whose sum is σ = 175984272. Its totient is φ = 45321536.

The previous prime is 90736787. The next prime is 90736847. The reversal of 90736816 is 61863709.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17250 + ... + 21886.

Almost surely, 2^90736816 is an apocalyptic number.

It is an amenable number.

90736816 is a deficient number, since it is larger than the sum of its proper divisors (85247456).

90736816 is a wasteful number, since it uses less digits than its factorization.

90736816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5868 (or 5862 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 90736816 is about 9525.5874359538. The cubic root of 90736816 is about 449.3601044981.

The spelling of 90736816 in words is "ninety million, seven hundred thirty-six thousand, eight hundred sixteen".