27426864 has 40 divisors (see below), whose sum is σ = 72196272. Its totient is φ = 8968960.

The previous prime is 27426859. The next prime is 27426871. The reversal of 27426864 is 46862472.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2847 + ... + 7934.

Almost surely, 2^27426864 is an apocalyptic number.

27426864 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

27426864 is an abundant number, since it is smaller than the sum of its proper divisors (44769408).

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

27426864 is a wasteful number, since it uses less digits than its factorization.

27426864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10845 (or 10839 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 27426864 is about 5237.0663543629. The cubic root of 27426864 is about 301.5727185580.

The spelling of 27426864 in words is "twenty-seven million, four hundred twenty-six thousand, eight hundred sixty-four".