7979764 has 12 divisors (see below), whose sum is σ = 15038884. Its totient is φ = 3682944.

The previous prime is 7979737. The next prime is 7979771. The reversal of 7979764 is 4679797.

It can be written as a sum of positive squares in 2 ways, for example, as 5062500 + 2917264 = 2250^2 + 1708^2 .

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 3 ways as a sum of consecutive naturals, for example, 76677 + ... + 76780.

Almost surely, 2^7979764 is an apocalyptic number.

It is an amenable number.

7979764 is a deficient number, since it is larger than the sum of its proper divisors (7059120).

7979764 is a wasteful number, since it uses less digits than its factorization.

7979764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153474 (or 153472 counting only the distinct ones).

The product of its digits is 666792, while the sum is 49.

The square root of 7979764 is about 2824.8476065091. The cubic root of 7979764 is about 199.8312242805.

The spelling of 7979764 in words is "seven million, nine hundred seventy-nine thousand, seven hundred sixty-four".