716791 has 4 divisors (see below), whose sum is σ = 729000. Its totient is φ = 704584.

The previous prime is 716789. The next prime is 716809. The reversal of 716791 is 197617.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 716791 - 2¹ = 716789 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (716731) 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, 6016 + ... + 6133.

It is an arithmetic number, because the mean of its divisors is an integer number (182250).

2⁷¹⁶⁷⁹¹ is an apocalyptic number.

716791 is a deficient number, since it is larger than the sum of its proper divisors (12209).

716791 is a wasteful number, since it uses less digits than its factorization.

716791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12208.

The product of its digits is 2646, while the sum is 31.

The square root of 716791 is about 846.6351043986. The cubic root of 716791 is about 89.4947408039.

The spelling of 716791 in words is "seven hundred sixteen thousand, seven hundred ninety-one".