27002147 has 4 divisors (see below), whose sum is σ = 27873216. Its totient is φ = 26131080.

The previous prime is 27002071. The next prime is 27002159. The reversal of 27002147 is 74120072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 27002147 - 2¹⁸ = 26740003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27002177) 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, 435488 + ... + 435549.

It is an arithmetic number, because the mean of its divisors is an integer number (6968304).

Almost surely, 2^27002147 is an apocalyptic number.

27002147 is a deficient number, since it is larger than the sum of its proper divisors (871069).

27002147 is an equidigital number, since it uses as much as digits as its factorization.

27002147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871068.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 27002147 is about 5196.3590137711. The cubic root of 27002147 is about 300.0079516411.

The spelling of 27002147 in words is "twenty-seven million, two thousand, one hundred forty-seven".