679436068 has 12 divisors (see below), whose sum is σ = 1189552140. Its totient is φ = 339564032.

The previous prime is 679436053. The next prime is 679436071. The reversal of 679436068 is 860634976.

It can be written as a sum of positive squares in 2 ways, for example, as 461046784 + 218389284 = 21472^2 + 14778^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28273 + ... + 46456.

It is an arithmetic number, because the mean of its divisors is an integer number (99129345).

Almost surely, 2^679436068 is an apocalyptic number.

It is an amenable number.

679436068 is a deficient number, since it is larger than the sum of its proper divisors (510116072).

679436068 is a wasteful number, since it uses less digits than its factorization.

679436068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77006 (or 77004 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 49.

The square root of 679436068 is about 26065.9944755614. The cubic root of 679436068 is about 879.1227776967.

The spelling of 679436068 in words is "six hundred seventy-nine million, four hundred thirty-six thousand, sixty-eight".