90734624 has 24 divisors (see below), whose sum is σ = 179435088. Its totient is φ = 45163840.

The previous prime is 90734617. The next prime is 90734629. The reversal of 90734624 is 42643709.

It is not an unprimeable number, because it can be changed into a prime (90734629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019 + ... + 13509.

It is an arithmetic number, because the mean of its divisors is an integer number (7476462).

Almost surely, 2^90734624 is an apocalyptic number.

It is an amenable number.

90734624 is a deficient number, since it is larger than the sum of its proper divisors (88700464).

90734624 is a wasteful number, since it uses less digits than its factorization.

90734624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12728 (or 12720 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 90734624 is about 9525.4723767381. The cubic root of 90734624 is about 449.3564859548.

The spelling of 90734624 in words is "ninety million, seven hundred thirty-four thousand, six hundred twenty-four".