716688017 has 8 divisors (see below), whose sum is σ = 722043456. Its totient is φ = 711344592.

The previous prime is 716687957. The next prime is 716688019. The reversal of 716688017 is 710886617.

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 716688017 - 2⁸ = 716687761 is a prime.

It is a super-2 number, since 2×716688017² = 1027283427422784578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716688019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142103 + ... + 147059.

It is an arithmetic number, because the mean of its divisors is an integer number (90255432).

Almost surely, 2^716688017 is an apocalyptic number.

It is an amenable number.

716688017 is a deficient number, since it is larger than the sum of its proper divisors (5355439).

716688017 is a wasteful number, since it uses less digits than its factorization.

716688017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6007.

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 716688017 is about 26771.0294348200. The cubic root of 716688017 is about 894.9045462737.

The spelling of 716688017 in words is "seven hundred sixteen million, six hundred eighty-eight thousand, seventeen".