7879968 has 36 divisors (see below), whose sum is σ = 22409478. Its totient is φ = 2626560.

The previous prime is 7879931. The next prime is 7879979. The reversal of 7879968 is 8699787.

It can be written as a sum of positive squares in only one way, i.e., 6411024 + 1468944 = 2532^2 + 1212^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13393 + ... + 13968.

Almost surely, 2^7879968 is an apocalyptic number.

It is an amenable number.

7879968 is an abundant number, since it is smaller than the sum of its proper divisors (14529510).

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

7879968 is a wasteful number, since it uses less digits than its factorization.

7879968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27377 (or 27366 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 54.

The square root of 7879968 is about 2807.1280697539. The cubic root of 7879968 is about 198.9946885445.

The spelling of 7879968 in words is "seven million, eight hundred seventy-nine thousand, nine hundred sixty-eight".