90732404 has 24 divisors (see below), whose sum is σ = 182477568. Its totient is φ = 38668320.

The previous prime is 90732379. The next prime is 90732407. The reversal of 90732404 is 40423709.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90732407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3884 + ... + 14019.

It is an arithmetic number, because the mean of its divisors is an integer number (7603232).

Almost surely, 2^90732404 is an apocalyptic number.

It is an amenable number.

90732404 is an abundant number, since it is smaller than the sum of its proper divisors (91745164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90732404 is a wasteful number, since it uses less digits than its factorization.

90732404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18095 (or 18093 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 90732404 is about 9525.3558463713. The cubic root of 90732404 is about 449.3528211299.

The spelling of 90732404 in words is "ninety million, seven hundred thirty-two thousand, four hundred four".