27937138 has 8 divisors (see below), whose sum is σ = 43257600. Its totient is φ = 13517940.

The previous prime is 27937127. The next prime is 27937153. The reversal of 27937138 is 83173972.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 27937138.

It is an unprimeable number.

It is an upside-down number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 225238 + ... + 225361.

It is an arithmetic number, because the mean of its divisors is an integer number (5407200).

Almost surely, 2^27937138 is an apocalyptic number.

27937138 is a deficient number, since it is larger than the sum of its proper divisors (15320462).

27937138 is a wasteful number, since it uses less digits than its factorization.

27937138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450632.

The product of its digits is 63504, while the sum is 40.

The square root of 27937138 is about 5285.5593838306. The cubic root of 27937138 is about 303.4314816098.

The spelling of 27937138 in words is "twenty-seven million, nine hundred thirty-seven thousand, one hundred thirty-eight".