90704766 has 16 divisors (see below), whose sum is σ = 181503504. Its totient is φ = 30219264.

The previous prime is 90704753. The next prime is 90704777. The reversal of 90704766 is 66740709.

It is a super-2 number, since 2×90704766² = 16454709150229512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18556 + ... + 22928.

It is an arithmetic number, because the mean of its divisors is an integer number (11343969).

Almost surely, 2^90704766 is an apocalyptic number.

90704766 is an abundant number, since it is smaller than the sum of its proper divisors (90798738).

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

90704766 is a wasteful number, since it uses less digits than its factorization.

90704766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7835.

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 90704766 is about 9523.9049764264. The cubic root of 90704766 is about 449.3071907048.

The spelling of 90704766 in words is "ninety million, seven hundred four thousand, seven hundred sixty-six".