679072216 has 8 divisors (see below), whose sum is σ = 1273260420. Its totient is φ = 339536104.

The previous prime is 679072213. The next prime is 679072253. The reversal of 679072216 is 612270976.

679072216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×679072216² = 922278149086301312, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679072213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42442006 + ... + 42442021.

Almost surely, 2^679072216 is an apocalyptic number.

It is an amenable number.

679072216 is a deficient number, since it is larger than the sum of its proper divisors (594188204).

679072216 is a wasteful number, since it uses less digits than its factorization.

679072216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84884033 (or 84884029 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 679072216 is about 26059.0141026095. The cubic root of 679072216 is about 878.9658202276.

The spelling of 679072216 in words is "six hundred seventy-nine million, seventy-two thousand, two hundred sixteen".