679694912 has 28 divisors (see below), whose sum is σ = 1452522876. Its totient is φ = 313704960.

The previous prime is 679694909. The next prime is 679694947. The reversal of 679694912 is 219496976.

It can be written as a sum of positive squares in 2 ways, for example, as 210366016 + 469328896 = 14504^2 + 21664^2 .

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, 407639 + ... + 409302.

It is an arithmetic number, because the mean of its divisors is an integer number (51875817).

Almost surely, 2^679694912 is an apocalyptic number.

It is an amenable number.

679694912 is an abundant number, since it is smaller than the sum of its proper divisors (772827964).

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

679694912 is a wasteful number, since it uses less digits than its factorization.

679694912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816966 (or 816956 counting only the distinct ones).

The product of its digits is 1469664, while the sum is 53.

The square root of 679694912 is about 26070.9591691598. The cubic root of 679694912 is about 879.2344029969.

The spelling of 679694912 in words is "six hundred seventy-nine million, six hundred ninety-four thousand, nine hundred twelve".