679620672 has 56 divisors (see below), whose sum is σ = 1997964000. Its totient is φ = 226539648.

The previous prime is 679620653. The next prime is 679620673. The reversal of 679620672 is 276026976.

It is not an unprimeable number, because it can be changed into a prime (679620673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194922 + ... + 198377.

Almost surely, 2^679620672 is an apocalyptic number.

It is an amenable number.

679620672 is an abundant number, since it is smaller than the sum of its proper divisors (1318343328).

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

679620672 is a wasteful number, since it uses less digits than its factorization.

679620672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393320 (or 393304 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 679620672 is about 26069.5353238219. The cubic root of 679620672 is about 879.2023902327.

The spelling of 679620672 in words is "six hundred seventy-nine million, six hundred twenty thousand, six hundred seventy-two".