90790624 has 24 divisors (see below), whose sum is σ = 178967880. Its totient is φ = 45338496.

The previous prime is 90790621. The next prime is 90790633. The reversal of 90790624 is 42609709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90790621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37647 + ... + 39985.

It is an arithmetic number, because the mean of its divisors is an integer number (7456995).

Almost surely, 2^90790624 is an apocalyptic number.

It is an amenable number.

90790624 is a deficient number, since it is larger than the sum of its proper divisors (88177256).

90790624 is a wasteful number, since it uses less digits than its factorization.

90790624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562 (or 3554 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 90790624 is about 9528.4114100935. The cubic root of 90790624 is about 449.4489122229.

The spelling of 90790624 in words is "ninety million, seven hundred ninety thousand, six hundred twenty-four".