27681376 has 12 divisors (see below), whose sum is σ = 54497772. Its totient is φ = 13840672.

The previous prime is 27681361. The next prime is 27681421. The reversal of 27681376 is 67318672.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 432490 + ... + 432553.

It is an arithmetic number, because the mean of its divisors is an integer number (4541481).

Almost surely, 2^27681376 is an apocalyptic number.

It is an amenable number.

27681376 is a deficient number, since it is larger than the sum of its proper divisors (26816396).

27681376 is an equidigital number, since it uses as much as digits as its factorization.

27681376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865053 (or 865045 counting only the distinct ones).

The product of its digits is 84672, while the sum is 40.

The square root of 27681376 is about 5261.3093427397. The cubic root of 27681376 is about 302.5026787551.

The spelling of 27681376 in words is "twenty-seven million, six hundred eighty-one thousand, three hundred seventy-six".