27214947 has 20 divisors (see below), whose sum is σ = 41178720. Its totient is φ = 17909424.

The previous prime is 27214933. The next prime is 27214987. The reversal of 27214947 is 74941272.

It is not a de Polignac number, because 27214947 - 2⁶ = 27214883 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (27214987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4273 + ... + 8525.

It is an arithmetic number, because the mean of its divisors is an integer number (2058936).

Almost surely, 2^27214947 is an apocalyptic number.

27214947 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

27214947 is a deficient number, since it is larger than the sum of its proper divisors (13963773).

27214947 is an equidigital number, since it uses as much as digits as its factorization.

27214947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4344 (or 4335 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 27214947 is about 5216.7947055639. The cubic root of 27214947 is about 300.7939967102.

The spelling of 27214947 in words is "twenty-seven million, two hundred fourteen thousand, nine hundred forty-seven".