27258112 has 108 divisors (see below), whose sum is σ = 66060036. Its totient is φ = 11182080.

The previous prime is 27258061. The next prime is 27258131. The reversal of 27258112 is 21185272.

It can be written as a sum of positive squares in 2 ways, for example, as 9144576 + 18113536 = 3024^2 + 4256^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 514278 + ... + 514330.

It is an arithmetic number, because the mean of its divisors is an integer number (611667).

Almost surely, 2^27258112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27258112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33030018).

27258112 is an abundant number, since it is smaller than the sum of its proper divisors (38801924).

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

27258112 is an equidigital number, since it uses as much as digits as its factorization.

27258112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124 (or 103 counting only the distinct ones).

The product of its digits is 2240, while the sum is 28.

The square root of 27258112 is about 5220.9301853214. The cubic root of 27258112 is about 300.9529401820.

The spelling of 27258112 in words is "twenty-seven million, two hundred fifty-eight thousand, one hundred twelve".