90556704 has 360 divisors, whose sum is σ = 333704448. Its totient is φ = 23950080.

The previous prime is 90556691. The next prime is 90556709. The reversal of 90556704 is 40765509.

90556704 is a `hidden beast` number, since 90 + 5 + 567 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (90556709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 2921169 + ... + 2921199.

Almost surely, 2^90556704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90556704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166852224).

90556704 is an abundant number, since it is smaller than the sum of its proper divisors (243147744).

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

90556704 is a wasteful number, since it uses less digits than its factorization.

90556704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90 (or 66 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 90556704 is about 9516.1286246036. The cubic root of 90556704 is about 449.0625819056.

The spelling of 90556704 in words is "ninety million, five hundred fifty-six thousand, seven hundred four".