27022993 has 4 divisors (see below), whose sum is σ = 27053568. Its totient is φ = 26992420.

The previous prime is 27022991. The next prime is 27023011. The reversal of 27022993 is 39922072.

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 27022993 - 2¹ = 27022991 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27022991) 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, 13921 + ... + 15742.

It is an arithmetic number, because the mean of its divisors is an integer number (6763392).

Almost surely, 2^27022993 is an apocalyptic number.

It is an amenable number.

27022993 is a deficient number, since it is larger than the sum of its proper divisors (30575).

27022993 is an equidigital number, since it uses as much as digits as its factorization.

27022993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30574.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 27022993 is about 5198.3644543260. The cubic root of 27022993 is about 300.0851350970.

The spelling of 27022993 in words is "twenty-seven million, twenty-two thousand, nine hundred ninety-three".