27814642 has 8 divisors (see below), whose sum is σ = 41745132. Its totient is φ = 13899600.

The previous prime is 27814637. The next prime is 27814649. The reversal of 27814642 is 24641872.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 25715041 + 2099601 = 5071^2 + 1449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 27814598 and 27814607.

It is not an unprimeable number, because it can be changed into a prime (27814649) 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, 3292 + ... + 8152.

Almost surely, 2^27814642 is an apocalyptic number.

27814642 is a deficient number, since it is larger than the sum of its proper divisors (13930490).

27814642 is a wasteful number, since it uses less digits than its factorization.

27814642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7724.

The product of its digits is 21504, while the sum is 34.

The square root of 27814642 is about 5273.9588545987. The cubic root of 27814642 is about 302.9873463911.

The spelling of 27814642 in words is "twenty-seven million, eight hundred fourteen thousand, six hundred forty-two".