679042660 has 24 divisors (see below), whose sum is σ = 1426582080. Its totient is φ = 271504224.

The previous prime is 679042657. The next prime is 679042673. The reversal of 679042660 is 66240976.

679042660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×679042660² = 922197868199751200, which contains 22 as substring.

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, 56067 + ... + 67093.

It is an arithmetic number, because the mean of its divisors is an integer number (59440920).

Almost surely, 2^679042660 is an apocalyptic number.

It is an amenable number.

679042660 is an abundant number, since it is smaller than the sum of its proper divisors (747539420).

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

679042660 is a wasteful number, since it uses less digits than its factorization.

679042660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14115 (or 14113 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 679042660 is about 26058.4469990059. The cubic root of 679042660 is about 878.9530679802.

The spelling of 679042660 in words is "six hundred seventy-nine million, forty-two thousand, six hundred sixty".