679608704 has 16 divisors (see below), whose sum is σ = 1353908220. Its totient is φ = 339804288.

The previous prime is 679608667. The next prime is 679608737. The reversal of 679608704 is 407806976.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2654594 + ... + 2654849.

Almost surely, 2^679608704 is an apocalyptic number.

679608704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

679608704 is a deficient number, since it is larger than the sum of its proper divisors (674299516).

679608704 is an equidigital number, since it uses as much as digits as its factorization.

679608704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5309457 (or 5309445 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 47.

The square root of 679608704 is about 26069.3057828551. The cubic root of 679608704 is about 879.1972293362.

The spelling of 679608704 in words is "six hundred seventy-nine million, six hundred eight thousand, seven hundred four".