679112749 has 8 divisors (see below), whose sum is σ = 802892160. Its totient is φ = 562024176.

The previous prime is 679112741. The next prime is 679112779. The reversal of 679112749 is 947211976.

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

It is not a de Polignac number, because 679112749 - 2³ = 679112741 is a prime.

It is a super-2 number, since 2×679112749² = 922388251708674002, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 679112699 and 679112708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679112741) 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, 1672489 + ... + 1672894.

It is an arithmetic number, because the mean of its divisors is an integer number (100361520).

Almost surely, 2^679112749 is an apocalyptic number.

It is an amenable number.

679112749 is a deficient number, since it is larger than the sum of its proper divisors (123779411).

679112749 is a wasteful number, since it uses less digits than its factorization.

679112749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345419.

The product of its digits is 190512, while the sum is 46.

The square root of 679112749 is about 26059.7918065360. The cubic root of 679112749 is about 878.9833080155.

The spelling of 679112749 in words is "six hundred seventy-nine million, one hundred twelve thousand, seven hundred forty-nine".