27028755 has 32 divisors (see below), whose sum is σ = 51750720. Its totient is φ = 13305600.

The previous prime is 27028753. The next prime is 27028769. The reversal of 27028755 is 55782072.

It is not a de Polignac number, because 27028755 - 2¹ = 27028753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27028753) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5946 + ... + 9455.

It is an arithmetic number, because the mean of its divisors is an integer number (1617210).

Almost surely, 2^27028755 is an apocalyptic number.

27028755 is a deficient number, since it is larger than the sum of its proper divisors (24721965).

27028755 is a wasteful number, since it uses less digits than its factorization.

27028755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15428 (or 15422 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The square root of 27028755 is about 5198.9186375630. The cubic root of 27028755 is about 300.1064622149.

The spelling of 27028755 in words is "twenty-seven million, twenty-eight thousand, seven hundred fifty-five".