679140718 has 8 divisors (see below), whose sum is σ = 1078635312. Its totient is φ = 319595616.

The previous prime is 679140703. The next prime is 679140733. The reversal of 679140718 is 817041976.

It is an interprime number because it is at equal distance from previous prime (679140703) and next prime (679140733).

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

It is a super-2 number, since 2×679140718² = 922464229691111048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9987330 + ... + 9987397.

It is an arithmetic number, because the mean of its divisors is an integer number (134829414).

Almost surely, 2^679140718 is an apocalyptic number.

679140718 is a deficient number, since it is larger than the sum of its proper divisors (399494594).

679140718 is a wasteful number, since it uses less digits than its factorization.

679140718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19974746.

The product of its (nonzero) digits is 84672, while the sum is 43.

The square root of 679140718 is about 26060.3284323126. The cubic root of 679140718 is about 878.9953747142.

The spelling of 679140718 in words is "six hundred seventy-nine million, one hundred forty thousand, seven hundred eighteen".