717137740312 has 32 divisors (see below), whose sum is σ = 1568085444000. Its totient is φ = 307344744672.

The previous prime is 717137740279. The next prime is 717137740327. The reversal of 717137740312 is 213047731717.

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 7 ways as a sum of consecutive naturals, for example, 130671043 + ... + 130676530.

It is an arithmetic number, because the mean of its divisors is an integer number (49002670125).

Almost surely, 2^717137740312 is an apocalyptic number.

It is an amenable number.

717137740312 is an abundant number, since it is smaller than the sum of its proper divisors (850947703688).

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

717137740312 is a wasteful number, since it uses less digits than its factorization.

717137740312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261347600 (or 261347582 counting only the distinct ones).

The product of its (nonzero) digits is 172872, while the sum is 43.

It can be divided in two parts, 71713 and 7740312, that added together give a square (7812025 = 2795²).

The spelling of 717137740312 in words is "seven hundred seventeen billion, one hundred thirty-seven million, seven hundred forty thousand, three hundred twelve".