27227972 has 6 divisors (see below), whose sum is σ = 47648958. Its totient is φ = 13613984.

The previous prime is 27227971. The next prime is 27228001. The reversal of 27227972 is 27972272.

It can be written as a sum of positive squares in only one way, i.e., 27206656 + 21316 = 5216^2 + 146^2 .

It is not an unprimeable number, because it can be changed into a prime (27227971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3403493 + ... + 3403500.

It is an arithmetic number, because the mean of its divisors is an integer number (7941493).

Almost surely, 2^27227972 is an apocalyptic number.

It is an amenable number.

27227972 is a deficient number, since it is larger than the sum of its proper divisors (20420986).

27227972 is a wasteful number, since it uses less digits than its factorization.

27227972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6806997 (or 6806995 counting only the distinct ones).

The product of its digits is 49392, while the sum is 38.

The square root of 27227972 is about 5218.0429281484. The cubic root of 27227972 is about 300.8419754545.

The spelling of 27227972 in words is "twenty-seven million, two hundred twenty-seven thousand, nine hundred seventy-two".