679591706 has 16 divisors (see below), whose sum is σ = 1043058816. Its totient is φ = 331933056.

The previous prime is 679591697. The next prime is 679591723. The reversal of 679591706 is 607195976.

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, 44810 + ... + 58026.

It is an arithmetic number, because the mean of its divisors is an integer number (65191176).

Almost surely, 2^679591706 is an apocalyptic number.

679591706 is a deficient number, since it is larger than the sum of its proper divisors (363467110).

679591706 is a wasteful number, since it uses less digits than its factorization.

679591706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13813.

The product of its (nonzero) digits is 714420, while the sum is 50.

The square root of 679591706 is about 26068.9797652306. The cubic root of 679591706 is about 879.1898992755.

The spelling of 679591706 in words is "six hundred seventy-nine million, five hundred ninety-one thousand, seven hundred six".