318272 has 14 divisors (see below), whose sum is σ = 631698. Its totient is φ = 159104.

The previous prime is 318271. The next prime is 318281. The reversal of 318272 is 272813.

It can be written as a sum of positive squares in only one way, i.e., 287296 + 30976 = 536^2 + 176^2 .

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2423 + ... + 2550.

2³¹⁸²⁷² is an apocalyptic number.

318272 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

318272 is a deficient number, since it is larger than the sum of its proper divisors (313426).

318272 is an equidigital number, since it uses as much as digits as its factorization.

318272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4985 (or 4975 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 318272 is about 564.1560067924. The cubic root of 318272 is about 68.2756973188.

The spelling of 318272 in words is "three hundred eighteen thousand, two hundred seventy-two".