717226059664 has 15 divisors (see below), whose sum is σ = 1389632054043. Its totient is φ = 358611336048.

The previous prime is 717226059653. The next prime is 717226059713. The reversal of 717226059664 is 466950622717.

The square root of 717226059664 is 846892.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×717226059664² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3281707 + ... + 3493429.

Almost surely, 2^717226059664 is an apocalyptic number.

717226059664 is the 846892-nd square number.

It is an amenable number.

717226059664 is a deficient number, since it is larger than the sum of its proper divisors (672405994379).

717226059664 is an frugal number, since it uses more digits than its factorization.

717226059664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 423454 (or 211725 counting only the distinct ones).

The product of its (nonzero) digits is 7620480, while the sum is 55.

The spelling of 717226059664 in words is "seven hundred seventeen billion, two hundred twenty-six million, fifty-nine thousand, six hundred sixty-four".