27318940 has 48 divisors (see below), whose sum is σ = 65318400. Its totient is φ = 9500480.

The previous prime is 27318937. The next prime is 27318943. The reversal of 27318940 is 4981372.

It is an interprime number because it is at equal distance from previous prime (27318937) and next prime (27318943).

It is a junction number, because it is equal to n+sod(n) for n = 27318896 and 27318905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27318943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2361 + ... + 7759.

It is an arithmetic number, because the mean of its divisors is an integer number (1360800).

Almost surely, 2^27318940 is an apocalyptic number.

27318940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27318940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32659200).

27318940 is an abundant number, since it is smaller than the sum of its proper divisors (37999460).

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

27318940 is a wasteful number, since it uses less digits than its factorization.

27318940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5442 (or 5440 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 27318940 is about 5226.7523377333. The cubic root of 27318940 is about 301.1766383002.

The spelling of 27318940 in words is "twenty-seven million, three hundred eighteen thousand, nine hundred forty".