27084247 has 4 divisors (see below), whose sum is σ = 28677456. Its totient is φ = 25491040.

The previous prime is 27084221. The next prime is 27084257. The reversal of 27084247 is 74248072.

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 27084247 - 2¹⁹ = 26559959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27084217) 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, 796579 + ... + 796612.

It is an arithmetic number, because the mean of its divisors is an integer number (7169364).

Almost surely, 2^27084247 is an apocalyptic number.

27084247 is a deficient number, since it is larger than the sum of its proper divisors (1593209).

27084247 is a wasteful number, since it uses less digits than its factorization.

27084247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593208.

The product of its (nonzero) digits is 25088, while the sum is 34.

The square root of 27084247 is about 5204.2527801789. The cubic root of 27084247 is about 300.3117019534.

The spelling of 27084247 in words is "twenty-seven million, eighty-four thousand, two hundred forty-seven".