27672347 has 4 divisors (see below), whose sum is σ = 27842280. Its totient is φ = 27502416.

The previous prime is 27672313. The next prime is 27672353. The reversal of 27672347 is 74327672.

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 27672347 - 2¹⁸ = 27410203 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27672347.

It is not an unprimeable number, because it can be changed into a prime (27672397) 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, 84722 + ... + 85047.

It is an arithmetic number, because the mean of its divisors is an integer number (6960570).

Almost surely, 2^27672347 is an apocalyptic number.

27672347 is a deficient number, since it is larger than the sum of its proper divisors (169933).

27672347 is a wasteful number, since it uses less digits than its factorization.

27672347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169932.

The product of its digits is 98784, while the sum is 38.

The square root of 27672347 is about 5260.4512163882. The cubic root of 27672347 is about 302.4697854757.

The spelling of 27672347 in words is "twenty-seven million, six hundred seventy-two thousand, three hundred forty-seven".