90732660 has 48 divisors (see below), whose sum is σ = 262252032. Its totient is φ = 23414400.

The previous prime is 90732647. The next prime is 90732731. The reversal of 90732660 is 6623709.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 22531 + ... + 26250.

It is an arithmetic number, because the mean of its divisors is an integer number (5463584).

Almost surely, 2^90732660 is an apocalyptic number.

It is an amenable number.

90732660 is an abundant number, since it is smaller than the sum of its proper divisors (171519372).

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

90732660 is a wasteful number, since it uses less digits than its factorization.

90732660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48824 (or 48822 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 33.

The square root of 90732660 is about 9525.3692841800. The cubic root of 90732660 is about 449.3532437434.

The spelling of 90732660 in words is "ninety million, seven hundred thirty-two thousand, six hundred sixty".