272168317 has 8 divisors (see below), whose sum is σ = 290115000. Its totient is φ = 254436864.

The previous prime is 272168261. The next prime is 272168329. The reversal of 272168317 is 713861272.

It can be written as a sum of positive squares in 4 ways, for example, as 116281 + 272052036 = 341^2 + 16494^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-272168317 is a prime.

It is a super-2 number, since 2×272168317² = 148151185557224978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272163317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51192 + ... + 56257.

It is an arithmetic number, because the mean of its divisors is an integer number (36264375).

Almost surely, 2^272168317 is an apocalyptic number.

It is an amenable number.

272168317 is a deficient number, since it is larger than the sum of its proper divisors (17946683).

272168317 is a wasteful number, since it uses less digits than its factorization.

272168317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107615.

The product of its digits is 28224, while the sum is 37.

The square root of 272168317 is about 16497.5245718865. The cubic root of 272168317 is about 648.0559801826.

The spelling of 272168317 in words is "two hundred seventy-two million, one hundred sixty-eight thousand, three hundred seventeen".