27965713 has 4 divisors (see below), whose sum is σ = 28001008. Its totient is φ = 27930420.

The previous prime is 27965711. The next prime is 27965753. The reversal of 27965713 is 31756972.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27965713 - 2¹ = 27965711 is a prime.

It is a super-2 number, since 2×27965713² = 1564162207196738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27965711) 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, 16431 + ... + 18052.

It is an arithmetic number, because the mean of its divisors is an integer number (7000252).

Almost surely, 2^27965713 is an apocalyptic number.

It is an amenable number.

27965713 is a deficient number, since it is larger than the sum of its proper divisors (35295).

27965713 is an equidigital number, since it uses as much as digits as its factorization.

27965713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35294.

The product of its digits is 79380, while the sum is 40.

The square root of 27965713 is about 5288.2618127320. The cubic root of 27965713 is about 303.5348995057.

The spelling of 27965713 in words is "twenty-seven million, nine hundred sixty-five thousand, seven hundred thirteen".