717130420 has 24 divisors (see below), whose sum is σ = 1506506400. Its totient is φ = 286750752.

The previous prime is 717130373. The next prime is 717130481. The reversal of 717130420 is 24031717.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80971 + ... + 89389.

It is an arithmetic number, because the mean of its divisors is an integer number (62771100).

Almost surely, 2^717130420 is an apocalyptic number.

It is an amenable number.

717130420 is an abundant number, since it is smaller than the sum of its proper divisors (789375980).

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

717130420 is a wasteful number, since it uses less digits than its factorization.

717130420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12687 (or 12685 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 717130420 is about 26779.2908793344. The cubic root of 717130420 is about 895.0886463802.

The spelling of 717130420 in words is "seven hundred seventeen million, one hundred thirty thousand, four hundred twenty".