27118842 has 16 divisors (see below), whose sum is σ = 57428352. Its totient is φ = 8507840.

The previous prime is 27118841. The next prime is 27118849. The reversal of 27118842 is 24881172.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27118841) 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, 132834 + ... + 133037.

It is an arithmetic number, because the mean of its divisors is an integer number (3589272).

Almost surely, 2^27118842 is an apocalyptic number.

27118842 is an abundant number, since it is smaller than the sum of its proper divisors (30309510).

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

27118842 is a wasteful number, since it uses less digits than its factorization.

27118842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265893.

The product of its digits is 7168, while the sum is 33.

The square root of 27118842 is about 5207.5754435246. The cubic root of 27118842 is about 300.4395113404.

Subtracting from 27118842 its reverse (24881172), we obtain a triangular number (2237670 = T₂₁₁₅).

The spelling of 27118842 in words is "twenty-seven million, one hundred eighteen thousand, eight hundred forty-two".