679173616 has 20 divisors (see below), whose sum is σ = 1435526424. Its totient is φ = 308715200.

The previous prime is 679173581. The next prime is 679173617. The reversal of 679173616 is 616371976.

It is a super-2 number, since 2×679173616² = 922553601341030912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679173617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1929295 + ... + 1929646.

Almost surely, 2^679173616 is an apocalyptic number.

It is an amenable number.

679173616 is an abundant number, since it is smaller than the sum of its proper divisors (756352808).

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

679173616 is a wasteful number, since it uses less digits than its factorization.

679173616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3858960 (or 3858954 counting only the distinct ones).

The product of its digits is 285768, while the sum is 46.

The square root of 679173616 is about 26060.9596139513. The cubic root of 679173616 is about 879.0095675131.

The spelling of 679173616 in words is "six hundred seventy-nine million, one hundred seventy-three thousand, six hundred sixteen".