90952780 has 24 divisors (see below), whose sum is σ = 191866752. Its totient is φ = 36216192.

The previous prime is 90952747. The next prime is 90952819. The reversal of 90952780 is 8725909.

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, 5737 + ... + 14656.

It is an arithmetic number, because the mean of its divisors is an integer number (7994448).

Almost surely, 2^90952780 is an apocalyptic number.

It is an amenable number.

90952780 is an abundant number, since it is smaller than the sum of its proper divisors (100913972).

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

90952780 is a wasteful number, since it uses less digits than its factorization.

90952780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20625 (or 20623 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 90952780 is about 9536.9166925165. The cubic root of 90952780 is about 449.7163315083.

The spelling of 90952780 in words is "ninety million, nine hundred fifty-two thousand, seven hundred eighty".