679434713 has 4 divisors (see below), whose sum is σ = 689004288. Its totient is φ = 669865140.

The previous prime is 679434709. The next prime is 679434731. The reversal of 679434713 is 317434976.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 679434713 - 2² = 679434709 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679434703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4784681 + ... + 4784822.

It is an arithmetic number, because the mean of its divisors is an integer number (172251072).

Almost surely, 2^679434713 is an apocalyptic number.

It is an amenable number.

679434713 is a deficient number, since it is larger than the sum of its proper divisors (9569575).

679434713 is an equidigital number, since it uses as much as digits as its factorization.

679434713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9569574.

The product of its digits is 381024, while the sum is 44.

The square root of 679434713 is about 26065.9684838296. The cubic root of 679434713 is about 879.1221932845.

The spelling of 679434713 in words is "six hundred seventy-nine million, four hundred thirty-four thousand, seven hundred thirteen".