27367993 has 4 divisors (see below), whose sum is σ = 27417168. Its totient is φ = 27318820.

The previous prime is 27367987. The next prime is 27368017. The reversal of 27367993 is 39976372.

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 a de Polignac number, because none of the positive numbers 2^k-27367993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27367903) 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, 23743 + ... + 24868.

It is an arithmetic number, because the mean of its divisors is an integer number (6854292).

Almost surely, 2^27367993 is an apocalyptic number.

It is an amenable number.

27367993 is a deficient number, since it is larger than the sum of its proper divisors (49175).

27367993 is an equidigital number, since it uses as much as digits as its factorization.

27367993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49174.

The product of its digits is 428652, while the sum is 46.

The square root of 27367993 is about 5231.4427264379. The cubic root of 27367993 is about 301.3567915090.

The spelling of 27367993 in words is "twenty-seven million, three hundred sixty-seven thousand, nine hundred ninety-three".