679241968 has 20 divisors (see below), whose sum is σ = 1329064488. Its totient is φ = 336257600.

The previous prime is 679241933. The next prime is 679241971. The reversal of 679241968 is 869142976.

It is a happy number.

It is a super-2 number, since 2×679241968² = 922739302185026048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 208546 + ... + 211777.

Almost surely, 2^679241968 is an apocalyptic number.

It is an amenable number.

679241968 is a deficient number, since it is larger than the sum of its proper divisors (649822520).

679241968 is a wasteful number, since it uses less digits than its factorization.

679241968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 420432 (or 420426 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 52.

The square root of 679241968 is about 26062.2709678186. The cubic root of 679241968 is about 879.0390543508.

The spelling of 679241968 in words is "six hundred seventy-nine million, two hundred forty-one thousand, nine hundred sixty-eight".