27143444 has 12 divisors (see below), whose sum is σ = 48152244. Its totient is φ = 13385664.

The previous prime is 27143437. The next prime is 27143453. The reversal of 27143444 is 44434172.

It can be written as a sum of positive squares in 2 ways, for example, as 11303044 + 15840400 = 3362^2 + 3980^2 .

It is a super-2 number, since 2×27143444² = 1473533104362272, which contains 22 as substring.

It is a congruent number.

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, 46187 + ... + 46770.

It is an arithmetic number, because the mean of its divisors is an integer number (4012687).

Almost surely, 2^27143444 is an apocalyptic number.

It is an amenable number.

27143444 is a deficient number, since it is larger than the sum of its proper divisors (21008800).

27143444 is a wasteful number, since it uses less digits than its factorization.

27143444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93034 (or 93032 counting only the distinct ones).

The product of its digits is 10752, while the sum is 29.

The square root of 27143444 is about 5209.9370437655. The cubic root of 27143444 is about 300.5303360007.

The spelling of 27143444 in words is "twenty-seven million, one hundred forty-three thousand, four hundred forty-four".