90790752 has 96 divisors (see below), whose sum is σ = 267902208. Its totient is φ = 26712576.

The previous prime is 90790747. The next prime is 90790783. The reversal of 90790752 is 25709709.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 90790752.

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, 27123 + ... + 30285.

It is an arithmetic number, because the mean of its divisors is an integer number (2790648).

Almost surely, 2^90790752 is an apocalyptic number.

90790752 is a gapful number since it is divisible by the number (92) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90790752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133951104).

90790752 is an abundant number, since it is smaller than the sum of its proper divisors (177111456).

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

90790752 is a wasteful number, since it uses less digits than its factorization.

90790752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3212 (or 3204 counting only the distinct ones).

The product of its (nonzero) digits is 39690, while the sum is 39.

The square root of 90790752 is about 9528.4181268456. The cubic root of 90790752 is about 449.4491234394.

The spelling of 90790752 in words is "ninety million, seven hundred ninety thousand, seven hundred fifty-two".