717427634120 has 64 divisors (see below), whose sum is σ = 1630140811200. Its totient is φ = 284142073600.

The previous prime is 717427634111. The next prime is 717427634123. The reversal of 717427634120 is 21436724717.

It is a Cunningham number, because it is equal to 847011²-1.

It is not an unprimeable number, because it can be changed into a prime (717427634123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8427770 + ... + 8512470.

It is an arithmetic number, because the mean of its divisors is an integer number (25470950175).

Almost surely, 2^717427634120 is an apocalyptic number.

It is an amenable number.

717427634120 is an abundant number, since it is smaller than the sum of its proper divisors (912713177080).

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

717427634120 is a wasteful number, since it uses less digits than its factorization.

717427634120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86798 (or 86794 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 44.

The spelling of 717427634120 in words is "seven hundred seventeen billion, four hundred twenty-seven million, six hundred thirty-four thousand, one hundred twenty".