27052705 has 16 divisors (see below), whose sum is σ = 33209424. Its totient is φ = 21150720.

The previous prime is 27052691. The next prime is 27052709. The reversal of 27052705 is 50725072.

It can be written as a sum of positive squares in 8 ways, for example, as 54289 + 26998416 = 233^2 + 5196^2 .

It is not a de Polignac number, because 27052705 - 2⁵ = 27052673 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27052709) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49735 + ... + 50275.

It is an arithmetic number, because the mean of its divisors is an integer number (2075589).

Almost surely, 2^27052705 is an apocalyptic number.

It is an amenable number.

27052705 is a deficient number, since it is larger than the sum of its proper divisors (6156719).

27052705 is a wasteful number, since it uses less digits than its factorization.

27052705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756.

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 27052705 is about 5201.2214911499. The cubic root of 27052705 is about 300.1950768263.

Adding to 27052705 its reverse (50725072), we get a palindrome (77777777).

It can be divided in two parts, 270 and 52705, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 27052705 in words is "twenty-seven million, fifty-two thousand, seven hundred five".