27065065 has 4 divisors (see below), whose sum is σ = 32478084. Its totient is φ = 21652048.

The previous prime is 27065053. The next prime is 27065069. The reversal of 27065065 is 56056072.

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 16670889 + 10394176 = 4083^2 + 3224^2 .

It is a cyclic number.

It is not a de Polignac number, because 27065065 - 2⁹ = 27064553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27065069) 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, 2706502 + ... + 2706511.

It is an arithmetic number, because the mean of its divisors is an integer number (8119521).

Almost surely, 2^27065065 is an apocalyptic number.

It is an amenable number.

27065065 is a deficient number, since it is larger than the sum of its proper divisors (5413019).

27065065 is an equidigital number, since it uses as much as digits as its factorization.

27065065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5413018.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 27065065 is about 5202.4095378968. The cubic root of 27065065 is about 300.2407881666.

The spelling of 27065065 in words is "twenty-seven million, sixty-five thousand, sixty-five".