27318 has 16 divisors (see below), whose sum is σ = 56880. Its totient is φ = 8736.

The previous prime is 27299. The next prime is 27329. The reversal of 27318 is 81372.

It is a junction number, because it is equal to n+sod(n) for n = 27294 and 27303.

It is a congruent number.

It is an unprimeable number.

27318 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96 + ... + 252.

It is an arithmetic number, because the mean of its divisors is an integer number (3555).

2²⁷³¹⁸ is an apocalyptic number.

27318 is an abundant number, since it is smaller than the sum of its proper divisors (29562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28440).

27318 is a wasteful number, since it uses less digits than its factorization.

27318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191.

The product of its digits is 336, while the sum is 21.

The square root of 27318 is about 165.2815779208. The cubic root of 27318 is about 30.1173183929.

The spelling of 27318 in words is "twenty-seven thousand, three hundred eighteen".