679730673 has 8 divisors (see below), whose sum is σ = 907656928. Its totient is φ = 452479104.

The previous prime is 679730659. The next prime is 679730683. The reversal of 679730673 is 376037976.

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

It is not a de Polignac number, because 679730673 - 2⁸ = 679730417 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (679730603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166315 + ... + 170352.

It is an arithmetic number, because the mean of its divisors is an integer number (113457116).

Almost surely, 2^679730673 is an apocalyptic number.

It is an amenable number.

679730673 is a deficient number, since it is larger than the sum of its proper divisors (227926255).

679730673 is a wasteful number, since it uses less digits than its factorization.

679730673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337343.

The product of its (nonzero) digits is 1000188, while the sum is 48.

The square root of 679730673 is about 26071.6449998845. The cubic root of 679730673 is about 879.2498225376.

The spelling of 679730673 in words is "six hundred seventy-nine million, seven hundred thirty thousand, six hundred seventy-three".