717696 has 96 divisors (see below), whose sum is σ = 2386800. Its totient is φ = 202752.

The previous prime is 717683. The next prime is 717697. The reversal of 717696 is 696717.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 717696.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (717697) by changing a digit.

717696 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8020 + ... + 8108.

2⁷¹⁷⁶⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 717696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1193400).

717696 is an abundant number, since it is smaller than the sum of its proper divisors (1669104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

717696 is a wasteful number, since it uses less digits than its factorization.

717696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116 (or 101 counting only the distinct ones).

The product of its digits is 15876, while the sum is 36.

The square root of 717696 is about 847.1694045467. The cubic root of 717696 is about 89.5323894713.

The spelling of 717696 in words is "seven hundred seventeen thousand, six hundred ninety-six".