718679 has 8 divisors (see below), whose sum is σ = 787920. Its totient is φ = 651456.

The previous prime is 718661. The next prime is 718691. The reversal of 718679 is 976817.

It is a happy number.

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

It is not a de Polignac number, because 718679 - 2⁸ = 718423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718379) 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, 299 + ... + 1235.

It is an arithmetic number, because the mean of its divisors is an integer number (98490).

2⁷¹⁸⁶⁷⁹ is an apocalyptic number.

718679 is a deficient number, since it is larger than the sum of its proper divisors (69241).

718679 is a wasteful number, since it uses less digits than its factorization.

718679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009.

The product of its digits is 21168, while the sum is 38.

The square root of 718679 is about 847.7493733410. The cubic root of 718679 is about 89.5732471548.

The spelling of 718679 in words is "seven hundred eighteen thousand, six hundred seventy-nine".