90663712 has 12 divisors (see below), whose sum is σ = 178494246. Its totient is φ = 45331840.

The previous prime is 90663701. The next prime is 90663731. The reversal of 90663712 is 21736609.

It can be written as a sum of positive squares in only one way, i.e., 65221776 + 25441936 = 8076^2 + 5044^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1416589 + ... + 1416652.

Almost surely, 2^90663712 is an apocalyptic number.

It is an amenable number.

90663712 is a deficient number, since it is larger than the sum of its proper divisors (87830534).

90663712 is a wasteful number, since it uses less digits than its factorization.

90663712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2833251 (or 2833243 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 90663712 is about 9521.7494190931. The cubic root of 90663712 is about 449.2393933080.

The spelling of 90663712 in words is "ninety million, six hundred sixty-three thousand, seven hundred twelve".