27057239 has 4 divisors (see below), whose sum is σ = 29517000. Its totient is φ = 24597480.

The previous prime is 27057227. The next prime is 27057241. The reversal of 27057239 is 93275072.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27057239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27057199 and 27057208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27057299) 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, 1229864 + ... + 1229885.

It is an arithmetic number, because the mean of its divisors is an integer number (7379250).

Almost surely, 2^27057239 is an apocalyptic number.

27057239 is a deficient number, since it is larger than the sum of its proper divisors (2459761).

27057239 is a wasteful number, since it uses less digits than its factorization.

27057239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2459760.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 27057239 is about 5201.6573320433. The cubic root of 27057239 is about 300.2118466644.

The spelling of 27057239 in words is "twenty-seven million, fifty-seven thousand, two hundred thirty-nine".