716979 has 8 divisors (see below), whose sum is σ = 997632. Its totient is φ = 457160.

The previous prime is 716959. The next prime is 716981. The reversal of 716979 is 979617.

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

It is a cyclic number.

It is not a de Polignac number, because 716979 - 2¹² = 712883 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 716979.

It is not an unprimeable number, because it can be changed into a prime (716929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5127 + ... + 5264.

It is an arithmetic number, because the mean of its divisors is an integer number (124704).

2⁷¹⁶⁹⁷⁹ is an apocalyptic number.

716979 is a deficient number, since it is larger than the sum of its proper divisors (280653).

716979 is a wasteful number, since it uses less digits than its factorization.

716979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10417.

The product of its digits is 23814, while the sum is 39.

The square root of 716979 is about 846.7461248804. The cubic root of 716979 is about 89.5025643492.

The spelling of 716979 in words is "seven hundred sixteen thousand, nine hundred seventy-nine".