679684633 has 8 divisors (see below), whose sum is σ = 729803520. Its totient is φ = 630692160.

The previous prime is 679684619. The next prime is 679684669. The reversal of 679684633 is 336486976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 679684633 - 2⁵ = 679684601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679684613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280353 + ... + 282766.

It is an arithmetic number, because the mean of its divisors is an integer number (91225440).

Almost surely, 2^679684633 is an apocalyptic number.

It is an amenable number.

679684633 is a deficient number, since it is larger than the sum of its proper divisors (50118887).

679684633 is a wasteful number, since it uses less digits than its factorization.

679684633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563207.

The product of its digits is 3919104, while the sum is 52.

The square root of 679684633 is about 26070.7620333584. The cubic root of 679684633 is about 879.2299707652.

The spelling of 679684633 in words is "six hundred seventy-nine million, six hundred eighty-four thousand, six hundred thirty-three".