317972066 has 16 divisors (see below), whose sum is σ = 495599040. Its totient is φ = 152821200.

The previous prime is 317972047. The next prime is 317972089. The reversal of 317972066 is 660279713.

It is a super-2 number, since 2×317972066² = 202212469512616712, which contains 22 as substring.

It is an unprimeable number.

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, 1091 + ... + 25241.

It is an arithmetic number, because the mean of its divisors is an integer number (30974940).

Almost surely, 2^317972066 is an apocalyptic number.

317972066 is a deficient number, since it is larger than the sum of its proper divisors (177626974).

317972066 is a wasteful number, since it uses less digits than its factorization.

317972066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24409.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 317972066 is about 17831.7712524583. The cubic root of 317972066 is about 682.5424330132.

The spelling of 317972066 in words is "three hundred seventeen million, nine hundred seventy-two thousand, sixty-six".