27013739 has 4 divisors (see below), whose sum is σ = 27035424. Its totient is φ = 26992056.

The previous prime is 27013733. The next prime is 27013747. The reversal of 27013739 is 93731072.

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-27013739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27013733) 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, 8852 + ... + 11505.

It is an arithmetic number, because the mean of its divisors is an integer number (6758856).

Almost surely, 2^27013739 is an apocalyptic number.

27013739 is a deficient number, since it is larger than the sum of its proper divisors (21685).

27013739 is a wasteful number, since it uses less digits than its factorization.

27013739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21684.

The product of its (nonzero) digits is 7938, while the sum is 32.

The square root of 27013739 is about 5197.4742904607. The cubic root of 27013739 is about 300.0508765566.

The spelling of 27013739 in words is "twenty-seven million, thirteen thousand, seven hundred thirty-nine".