27027138 has 16 divisors (see below), whose sum is σ = 55074816. Its totient is φ = 8838960.

The previous prime is 27027137. The next prime is 27027149. The reversal of 27027138 is 83172072.

It is not an unprimeable number, because it can be changed into a prime (27027137) 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, 42178 + ... + 42813.

It is an arithmetic number, because the mean of its divisors is an integer number (3442176).

Almost surely, 2^27027138 is an apocalyptic number.

27027138 is an abundant number, since it is smaller than the sum of its proper divisors (28047678).

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

27027138 is a wasteful number, since it uses less digits than its factorization.

27027138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85049.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 27027138 is about 5198.7631221282. The cubic root of 27027138 is about 300.1004774550.

The spelling of 27027138 in words is "twenty-seven million, twenty-seven thousand, one hundred thirty-eight".