27966873 has 16 divisors (see below), whose sum is σ = 42448896. Its totient is φ = 16212240.

The previous prime is 27966871. The next prime is 27966877. The reversal of 27966873 is 37866972.

It is not a de Polignac number, because 27966873 - 2¹ = 27966871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27966871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17665 + ... + 19182.

It is an arithmetic number, because the mean of its divisors is an integer number (2653056).

Almost surely, 2^27966873 is an apocalyptic number.

27966873 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

27966873 is a deficient number, since it is larger than the sum of its proper divisors (14482023).

27966873 is a wasteful number, since it uses less digits than its factorization.

27966873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36884.

The product of its digits is 762048, while the sum is 48.

The square root of 27966873 is about 5288.3714884641. The cubic root of 27966873 is about 303.5390962593.

Subtracting 27966873 from its reverse (37866972), we obtain a palindrome (9900099).

It can be divided in two parts, 2796 and 6873, that added together give a palindrome (9669).

The spelling of 27966873 in words is "twenty-seven million, nine hundred sixty-six thousand, eight hundred seventy-three".