7993764 has 36 divisors (see below), whose sum is σ = 20314476. Its totient is φ = 2650368.

The previous prime is 7993759. The next prime is 7993781. The reversal of 7993764 is 4673997.

It can be written as a sum of positive squares in 2 ways, for example, as 2433600 + 5560164 = 1560^2 + 2358^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7912 + ... + 8864.

It is an arithmetic number, because the mean of its divisors is an integer number (564291).

Almost surely, 2^7993764 is an apocalyptic number.

It is an amenable number.

7993764 is an abundant number, since it is smaller than the sum of its proper divisors (12320712).

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

7993764 is a wasteful number, since it uses less digits than its factorization.

7993764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1196 (or 1191 counting only the distinct ones).

The product of its digits is 285768, while the sum is 45.

The square root of 7993764 is about 2827.3245303644. The cubic root of 7993764 is about 199.9480198248.

The spelling of 7993764 in words is "seven million, nine hundred ninety-three thousand, seven hundred sixty-four".