317726420272 has 20 divisors (see below), whose sum is σ = 618170657760. Its totient is φ = 158198508608.

The previous prime is 317726420269. The next prime is 317726420357. The reversal of 317726420272 is 272024627713.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41539903 + ... + 41547550.

It is an arithmetic number, because the mean of its divisors is an integer number (30908532888).

Almost surely, 2^317726420272 is an apocalyptic number.

It is an amenable number.

317726420272 is a deficient number, since it is larger than the sum of its proper divisors (300444237488).

317726420272 is a wasteful number, since it uses less digits than its factorization.

317726420272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83087700 (or 83087694 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 43.

The spelling of 317726420272 in words is "three hundred seventeen billion, seven hundred twenty-six million, four hundred twenty thousand, two hundred seventy-two".