27320147 has 4 divisors (see below), whose sum is σ = 27601896. Its totient is φ = 27038400.

The previous prime is 27320141. The next prime is 27320149. The reversal of 27320147 is 74102372.

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-27320147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27320141) 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, 140729 + ... + 140922.

It is an arithmetic number, because the mean of its divisors is an integer number (6900474).

Almost surely, 2^27320147 is an apocalyptic number.

27320147 is a deficient number, since it is larger than the sum of its proper divisors (281749).

27320147 is an equidigital number, since it uses as much as digits as its factorization.

27320147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281748.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 27320147 is about 5226.8678001266. The cubic root of 27320147 is about 301.1810737437.

The spelling of 27320147 in words is "twenty-seven million, three hundred twenty thousand, one hundred forty-seven".