27029868 has 12 divisors (see below), whose sum is σ = 63069720. Its totient is φ = 9009952.

The previous prime is 27029867. The next prime is 27029887. The reversal of 27029868 is 86892072.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×27029868² = 1461227528194848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (27029867) 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 3 ways as a sum of consecutive naturals, for example, 1126233 + ... + 1126256.

It is an arithmetic number, because the mean of its divisors is an integer number (5255810).

Almost surely, 2^27029868 is an apocalyptic number.

It is an amenable number.

27029868 is an abundant number, since it is smaller than the sum of its proper divisors (36039852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27029868 is a wasteful number, since it uses less digits than its factorization.

27029868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252496 (or 2252494 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 27029868 is about 5199.0256779516. The cubic root of 27029868 is about 300.1105814564.

The spelling of 27029868 in words is "twenty-seven million, twenty-nine thousand, eight hundred sixty-eight".