317670047 has 8 divisors (see below), whose sum is σ = 320624640. Its totient is φ = 314728920.

The previous prime is 317670037. The next prime is 317670061. The reversal of 317670047 is 740076713.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 317670047 - 2¹² = 317665951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 317669989 and 317670016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317670037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47522 + ... + 53792.

It is an arithmetic number, because the mean of its divisors is an integer number (40078080).

Almost surely, 2^317670047 is an apocalyptic number.

317670047 is a deficient number, since it is larger than the sum of its proper divisors (2954593).

317670047 is a wasteful number, since it uses less digits than its factorization.

317670047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6733.

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 317670047 is about 17823.3006763618. The cubic root of 317670047 is about 682.3262650897.

The spelling of 317670047 in words is "three hundred seventeen million, six hundred seventy thousand, forty-seven".