27028049 has 4 divisors (see below), whose sum is σ = 27053364. Its totient is φ = 27002736.

The previous prime is 27028003. The next prime is 27028073. The reversal of 27028049 is 94082072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3330625 + 23697424 = 1825^2 + 4868^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27028049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26028049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10982 + ... + 13215.

It is an arithmetic number, because the mean of its divisors is an integer number (6763341).

Almost surely, 2^27028049 is an apocalyptic number.

It is an amenable number.

27028049 is a deficient number, since it is larger than the sum of its proper divisors (25315).

27028049 is a wasteful number, since it uses less digits than its factorization.

27028049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25314.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 27028049 is about 5198.8507383844. The cubic root of 27028049 is about 300.1038492322.

The spelling of 27028049 in words is "twenty-seven million, twenty-eight thousand, forty-nine".