27207073 has 4 divisors (see below), whose sum is σ = 27720468. Its totient is φ = 26693680.

The previous prime is 27207071. The next prime is 27207113. The reversal of 27207073 is 37070272.

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 24137569 + 3069504 = 4913^2 + 1752^2 .

It is a cyclic number.

It is not a de Polignac number, because 27207073 - 2¹ = 27207071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27207071) 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 3 ways as a sum of consecutive naturals, for example, 256618 + ... + 256723.

It is an arithmetic number, because the mean of its divisors is an integer number (6930117).

Almost surely, 2^27207073 is an apocalyptic number.

It is an amenable number.

27207073 is a deficient number, since it is larger than the sum of its proper divisors (513395).

27207073 is an equidigital number, since it uses as much as digits as its factorization.

27207073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513394.

The product of its (nonzero) digits is 4116, while the sum is 28.

The square root of 27207073 is about 5216.0399730063. The cubic root of 27207073 is about 300.7649847070.

The spelling of 27207073 in words is "twenty-seven million, two hundred seven thousand, seventy-three".