717603079872 has 224 divisors, whose sum is σ = 2203843866624. Its totient is φ = 201830630400.

The previous prime is 717603079871. The next prime is 717603079877. The reversal of 717603079872 is 278970306717.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (717603079871) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65932543 + ... + 65943425.

Almost surely, 2^717603079872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 717603079872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1101921933312).

717603079872 is an abundant number, since it is smaller than the sum of its proper divisors (1486240786752).

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

717603079872 is a wasteful number, since it uses less digits than its factorization.

717603079872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11667 (or 11657 counting only the distinct ones).

The product of its (nonzero) digits is 6223392, while the sum is 57.

The spelling of 717603079872 in words is "seven hundred seventeen billion, six hundred three million, seventy-nine thousand, eight hundred seventy-two".