27442116 has 72 divisors (see below), whose sum is σ = 75339264. Its totient is φ = 8372160.

The previous prime is 27442111. The next prime is 27442117. The reversal of 27442116 is 61124472.

It is a self number, because there is not a number n which added to its sum of digits gives 27442116.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27442111) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 89235 + ... + 89541.

Almost surely, 2^27442116 is an apocalyptic number.

27442116 is a gapful number since it is divisible by the number (26) 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 27442116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37669632).

27442116 is an abundant number, since it is smaller than the sum of its proper divisors (47897148).

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

27442116 is a wasteful number, since it uses less digits than its factorization.

27442116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521 (or 516 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 27442116 is about 5238.5223107285. The cubic root of 27442116 is about 301.6286094389.

Adding to 27442116 its reverse (61124472), we get a palindrome (88566588).

The spelling of 27442116 in words is "twenty-seven million, four hundred forty-two thousand, one hundred sixteen".