27145648 has 20 divisors (see below), whose sum is σ = 53230968. Its totient is φ = 13408640.

The previous prime is 27145639. The next prime is 27145667. The reversal of 27145648 is 84654172.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8893 + ... + 11548.

Almost surely, 2^27145648 is an apocalyptic number.

It is an amenable number.

27145648 is a deficient number, since it is larger than the sum of its proper divisors (26085320).

27145648 is a wasteful number, since it uses less digits than its factorization.

27145648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20532 (or 20526 counting only the distinct ones).

The product of its digits is 53760, while the sum is 37.

The square root of 27145648 is about 5210.1485583427. The cubic root of 27145648 is about 300.5384699591.

The spelling of 27145648 in words is "twenty-seven million, one hundred forty-five thousand, six hundred forty-eight".