27138782 has 16 divisors (see below), whose sum is σ = 44494704. Its totient is φ = 12312000.

The previous prime is 27138773. The next prime is 27138799. The reversal of 27138782 is 28783172.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15932 + ... + 17552.

It is an arithmetic number, because the mean of its divisors is an integer number (2780919).

Almost surely, 2^27138782 is an apocalyptic number.

27138782 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

27138782 is a deficient number, since it is larger than the sum of its proper divisors (17355922).

27138782 is a wasteful number, since it uses less digits than its factorization.

27138782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2395.

The product of its digits is 37632, while the sum is 38.

The square root of 27138782 is about 5209.4896103169. The cubic root of 27138782 is about 300.5131292350.

The spelling of 27138782 in words is "twenty-seven million, one hundred thirty-eight thousand, seven hundred eighty-two".