717212152 has 64 divisors (see below), whose sum is σ = 1450548000. Its totient is φ = 331444224.

The previous prime is 717212149. The next prime is 717212161. The reversal of 717212152 is 251212717.

It is a super-2 number, since 2×717212152² = 1028786541952942208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 717212152.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1209168 + ... + 1209760.

Almost surely, 2^717212152 is an apocalyptic number.

It is an amenable number.

717212152 is an abundant number, since it is smaller than the sum of its proper divisors (733335848).

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

717212152 is a wasteful number, since it uses less digits than its factorization.

717212152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800 (or 796 counting only the distinct ones).

The product of its digits is 1960, while the sum is 28.

The square root of 717212152 is about 26780.8168658090. The cubic root of 717212152 is about 895.1226497749.

Adding to 717212152 its reverse (251212717), we get a palindrome (968424869).

The spelling of 717212152 in words is "seven hundred seventeen million, two hundred twelve thousand, one hundred fifty-two".