716617 has 4 divisors (see below), whose sum is σ = 781776. Its totient is φ = 651460.

The previous prime is 716591. The next prime is 716621.

716617 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 716617 - 2¹¹ = 714569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716687) 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, 32563 + ... + 32584.

It is an arithmetic number, because the mean of its divisors is an integer number (195444).

2⁷¹⁶⁶¹⁷ is an apocalyptic number.

It is an amenable number.

716617 is a deficient number, since it is larger than the sum of its proper divisors (65159).

716617 is a wasteful number, since it uses less digits than its factorization.

716617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65158.

The product of its digits is 1764, while the sum is 28.

The square root of 716617 is about 846.5323384254. The cubic root of 716617 is about 89.4874986440.

The spelling of 716617 in words is "seven hundred sixteen thousand, six hundred seventeen".