27018112 has 64 divisors (see below), whose sum is σ = 60710400. Its totient is φ = 11865600.

The previous prime is 27018071. The next prime is 27018113. The reversal of 27018112 is 21181072.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27018113) 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, 43339 + ... + 43957.

It is an arithmetic number, because the mean of its divisors is an integer number (948600).

Almost surely, 2^27018112 is an apocalyptic number.

27018112 is a gapful number since it is divisible by the number (22) 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 27018112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30355200).

27018112 is an abundant number, since it is smaller than the sum of its proper divisors (33692288).

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

27018112 is a wasteful number, since it uses less digits than its factorization.

27018112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 663 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 22.

The square root of 27018112 is about 5197.8949585385. The cubic root of 27018112 is about 300.0670664873.

Adding to 27018112 its reverse (21181072), we get a palindrome (48199184).

The spelling of 27018112 in words is "twenty-seven million, eighteen thousand, one hundred twelve".