679658572 has 24 divisors (see below), whose sum is σ = 1260829584. Its totient is φ = 319468032.

The previous prime is 679658561. The next prime is 679658597. The reversal of 679658572 is 275856976.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58383 + ... + 69049.

It is an arithmetic number, because the mean of its divisors is an integer number (52534566).

Almost surely, 2^679658572 is an apocalyptic number.

It is an amenable number.

679658572 is a deficient number, since it is larger than the sum of its proper divisors (581171012).

679658572 is a wasteful number, since it uses less digits than its factorization.

679658572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11625 (or 11623 counting only the distinct ones).

The product of its digits is 6350400, while the sum is 55.

The square root of 679658572 is about 26070.2622157891. The cubic root of 679658572 is about 879.2187332471.

The spelling of 679658572 in words is "six hundred seventy-nine million, six hundred fifty-eight thousand, five hundred seventy-two".