27138696 has 48 divisors (see below), whose sum is σ = 73478160. Its totient is φ = 8349120.

The previous prime is 27138691. The next prime is 27138697. The reversal of 27138696 is 69683172.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (27138691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 711 + ... + 7401.

It is an arithmetic number, because the mean of its divisors is an integer number (1530795).

Almost surely, 2^27138696 is an apocalyptic number.

27138696 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 27138696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36739080).

27138696 is an abundant number, since it is smaller than the sum of its proper divisors (46339464).

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

27138696 is a wasteful number, since it uses less digits than its factorization.

27138696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6726 (or 6709 counting only the distinct ones).

The product of its digits is 108864, while the sum is 42.

The square root of 27138696 is about 5209.4813561429. The cubic root of 27138696 is about 300.5128118029.

The spelling of 27138696 in words is "twenty-seven million, one hundred thirty-eight thousand, six hundred ninety-six".