27456142 has 32 divisors (see below), whose sum is σ = 49803264. Its totient is φ = 11102400.

The previous prime is 27456073. The next prime is 27456167. The reversal of 27456142 is 24165472.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 17023 + ... + 18565.

It is an arithmetic number, because the mean of its divisors is an integer number (1556352).

Almost surely, 2^27456142 is an apocalyptic number.

27456142 is a deficient number, since it is larger than the sum of its proper divisors (22347122).

27456142 is a wasteful number, since it uses less digits than its factorization.

27456142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624.

The product of its digits is 13440, while the sum is 31.

The square root of 27456142 is about 5239.8608760157. The cubic root of 27456142 is about 301.6799893726.

The spelling of 27456142 in words is "twenty-seven million, four hundred fifty-six thousand, one hundred forty-two".