717113217 has 4 divisors (see below), whose sum is σ = 956150960. Its totient is φ = 478075476.

The previous prime is 717113191. The next prime is 717113233. The reversal of 717113217 is 712311717.

717113217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 717113217 - 2⁶ = 717113153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (717113717) 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, 119518867 + ... + 119518872.

It is an arithmetic number, because the mean of its divisors is an integer number (239037740).

Almost surely, 2^717113217 is an apocalyptic number.

It is an amenable number.

717113217 is a deficient number, since it is larger than the sum of its proper divisors (239037743).

717113217 is a wasteful number, since it uses less digits than its factorization.

717113217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239037742.

The product of its digits is 2058, while the sum is 30.

The square root of 717113217 is about 26778.9696777154. The cubic root of 717113217 is about 895.0814889963.

The spelling of 717113217 in words is "seven hundred seventeen million, one hundred thirteen thousand, two hundred seventeen".