679642602 has 16 divisors (see below), whose sum is σ = 1381569312. Its totient is φ = 222833520.

The previous prime is 679642589. The next prime is 679642657. The reversal of 679642602 is 206246976.

It is a happy number.

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, 928108 + ... + 928839.

It is an arithmetic number, because the mean of its divisors is an integer number (86348082).

Almost surely, 2^679642602 is an apocalyptic number.

679642602 is an abundant number, since it is smaller than the sum of its proper divisors (701926710).

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

679642602 is a wasteful number, since it uses less digits than its factorization.

679642602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1857013.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 679642602 is about 26069.9559263149. The cubic root of 679642602 is about 879.2118468320.

The spelling of 679642602 in words is "six hundred seventy-nine million, six hundred forty-two thousand, six hundred two".