717288671 has 4 divisors (see below), whose sum is σ = 782496744. Its totient is φ = 652080600.

The previous prime is 717288613. The next prime is 717288673. The reversal of 717288671 is 176882717.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 176882717 = 11 ⋅16080247.

It is a cyclic number.

It is not a de Polignac number, because 717288671 - 2²² = 713094367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (717288673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32604020 + ... + 32604041.

It is an arithmetic number, because the mean of its divisors is an integer number (195624186).

Almost surely, 2^717288671 is an apocalyptic number.

717288671 is a deficient number, since it is larger than the sum of its proper divisors (65208073).

717288671 is a wasteful number, since it uses less digits than its factorization.

717288671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65208072.

The product of its digits is 263424, while the sum is 47.

The square root of 717288671 is about 26782.2454435770. The cubic root of 717288671 is about 895.1544820364.

The spelling of 717288671 in words is "seven hundred seventeen million, two hundred eighty-eight thousand, six hundred seventy-one".