27047239 has 4 divisors (see below), whose sum is σ = 27105624. Its totient is φ = 26988856.

The previous prime is 27047233. The next prime is 27047243. The reversal of 27047239 is 93274072.

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

It is a cyclic number.

It is not a de Polignac number, because 27047239 - 2¹⁷ = 26916167 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27047233) 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, 28492 + ... + 29425.

It is an arithmetic number, because the mean of its divisors is an integer number (6776406).

Almost surely, 2^27047239 is an apocalyptic number.

27047239 is a deficient number, since it is larger than the sum of its proper divisors (58385).

27047239 is an equidigital number, since it uses as much as digits as its factorization.

27047239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58384.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 27047239 is about 5200.6960111124. The cubic root of 27047239 is about 300.1748573225.

The spelling of 27047239 in words is "twenty-seven million, forty-seven thousand, two hundred thirty-nine".