27027664 has 20 divisors (see below), whose sum is σ = 53255520. Its totient is φ = 13284320.

The previous prime is 27027661. The next prime is 27027667. The reversal of 27027664 is 46672072.

It is an interprime number because it is at equal distance from previous prime (27027661) and next prime (27027667).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27027661) 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 3 ways as a sum of consecutive naturals, for example, 13372 + ... + 15259.

It is an arithmetic number, because the mean of its divisors is an integer number (2662776).

Almost surely, 2^27027664 is an apocalyptic number.

It is an amenable number.

27027664 is a deficient number, since it is larger than the sum of its proper divisors (26227856).

27027664 is a wasteful number, since it uses less digits than its factorization.

27027664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28698 (or 28692 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 27027664 is about 5198.8137108383. The cubic root of 27027664 is about 300.1024242862.

The spelling of 27027664 in words is "twenty-seven million, twenty-seven thousand, six hundred sixty-four".