27172868 has 12 divisors (see below), whose sum is σ = 50349852. Its totient is φ = 12787200.

The previous prime is 27172829. The next prime is 27172879. The reversal of 27172868 is 86827172.

It can be written as a sum of positive squares in 2 ways, for example, as 19377604 + 7795264 = 4402^2 + 2792^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199733 + ... + 199868.

It is an arithmetic number, because the mean of its divisors is an integer number (4195821).

Almost surely, 2^27172868 is an apocalyptic number.

It is an amenable number.

27172868 is a deficient number, since it is larger than the sum of its proper divisors (23176984).

27172868 is a wasteful number, since it uses less digits than its factorization.

27172868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399622 (or 399620 counting only the distinct ones).

The product of its digits is 75264, while the sum is 41.

The square root of 27172868 is about 5212.7601134140. The cubic root of 27172868 is about 300.6388902833.

The spelling of 27172868 in words is "twenty-seven million, one hundred seventy-two thousand, eight hundred sixty-eight".