90726464 has 28 divisors (see below), whose sum is σ = 180734208. Its totient is φ = 45187200.

The previous prime is 90726443. The next prime is 90726473. The reversal of 90726464 is 46462709.

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, 14729 + ... + 19959.

Almost surely, 2^90726464 is an apocalyptic number.

It is an amenable number.

90726464 is a deficient number, since it is larger than the sum of its proper divisors (90007744).

90726464 is a wasteful number, since it uses less digits than its factorization.

90726464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5514 (or 5504 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 38.

The square root of 90726464 is about 9525.0440418929. The cubic root of 90726464 is about 449.3430149530.

The spelling of 90726464 in words is "ninety million, seven hundred twenty-six thousand, four hundred sixty-four".