27042656 has 12 divisors (see below), whose sum is σ = 53240292. Its totient is φ = 13521312.

The previous prime is 27042647. The next prime is 27042677. The reversal of 27042656 is 65624072.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 845083 = 27042656 / (2 + 7 + 0 + 4 + 2 + 6 + 5 + 6).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 422510 + ... + 422573.

It is an arithmetic number, because the mean of its divisors is an integer number (4436691).

Almost surely, 2^27042656 is an apocalyptic number.

It is an amenable number.

27042656 is a deficient number, since it is larger than the sum of its proper divisors (26197636).

27042656 is an equidigital number, since it uses as much as digits as its factorization.

27042656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845093 (or 845085 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 27042656 is about 5200.2553783444. The cubic root of 27042656 is about 300.1579020604.

The spelling of 27042656 in words is "twenty-seven million, forty-two thousand, six hundred fifty-six".