27940267 has 4 divisors (see below), whose sum is σ = 28187640. Its totient is φ = 27692896.

The previous prime is 27940261. The next prime is 27940277. The reversal of 27940267 is 76204972.

It is a happy number.

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 27940267 - 2¹⁵ = 27907499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27940261) 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, 123517 + ... + 123742.

It is an arithmetic number, because the mean of its divisors is an integer number (7046910).

Almost surely, 2^27940267 is an apocalyptic number.

27940267 is a deficient number, since it is larger than the sum of its proper divisors (247373).

27940267 is a wasteful number, since it uses less digits than its factorization.

27940267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247372.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 27940267 is about 5285.8553707040. The cubic root of 27940267 is about 303.4428094423.

The spelling of 27940267 in words is "twenty-seven million, nine hundred forty thousand, two hundred sixty-seven".