717900937420 has 12 divisors (see below), whose sum is σ = 1507591968624. Its totient is φ = 287160374960.

The previous prime is 717900937409. The next prime is 717900937427. The reversal of 717900937420 is 24739009717.

It is not an unprimeable number, because it can be changed into a prime (717900937427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17947523416 + ... + 17947523455.

It is an arithmetic number, because the mean of its divisors is an integer number (125632664052).

Almost surely, 2^717900937420 is an apocalyptic number.

It is an amenable number.

717900937420 is an abundant number, since it is smaller than the sum of its proper divisors (789691031204).

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

717900937420 is a wasteful number, since it uses less digits than its factorization.

717900937420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35895046880 (or 35895046878 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 49.

The spelling of 717900937420 in words is "seven hundred seventeen billion, nine hundred million, nine hundred thirty-seven thousand, four hundred twenty".