27281368 has 8 divisors (see below), whose sum is σ = 51152580. Its totient is φ = 13640680.

The previous prime is 27281363. The next prime is 27281377. The reversal of 27281368 is 86318272.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27281363) 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 as a sum of consecutive naturals, namely, 1705078 + ... + 1705093.

Almost surely, 2^27281368 is an apocalyptic number.

It is an amenable number.

27281368 is a deficient number, since it is larger than the sum of its proper divisors (23871212).

27281368 is a wasteful number, since it uses less digits than its factorization.

27281368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410177 (or 3410173 counting only the distinct ones).

The product of its digits is 32256, while the sum is 37.

The square root of 27281368 is about 5223.1568998069. The cubic root of 27281368 is about 301.0385045829.

It can be divided in two parts, 2728 and 1368, that added together give a 12-th power (4096 = 2¹²).

The spelling of 27281368 in words is "twenty-seven million, two hundred eighty-one thousand, three hundred sixty-eight".