679668304 has 80 divisors (see below), whose sum is σ = 1635450880. Its totient is φ = 267027840.

The previous prime is 679668293. The next prime is 679668317. The reversal of 679668304 is 403866976.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60817 + ... + 71119.

It is an arithmetic number, because the mean of its divisors is an integer number (20443136).

Almost surely, 2^679668304 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679668304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (817725440).

679668304 is an abundant number, since it is smaller than the sum of its proper divisors (955782576).

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

679668304 is a wasteful number, since it uses less digits than its factorization.

679668304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10368 (or 10362 counting only the distinct ones).

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

The square root of 679668304 is about 26070.4488645669. The cubic root of 679668304 is about 879.2229297247. Note that the first 3 decimals are identical.

The spelling of 679668304 in words is "six hundred seventy-nine million, six hundred sixty-eight thousand, three hundred four".