27432642 has 8 divisors (see below), whose sum is σ = 54865296. Its totient is φ = 9144212.

The previous prime is 27432617. The next prime is 27432653. The reversal of 27432642 is 24623472.

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

27432642 is an admirable 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 in 3 ways as a sum of consecutive naturals, for example, 2286048 + ... + 2286059.

It is an arithmetic number, because the mean of its divisors is an integer number (6858162).

Almost surely, 2^27432642 is an apocalyptic number.

27432642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

27432642 is a wasteful number, since it uses less digits than its factorization.

27432642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572112.

The product of its digits is 16128, while the sum is 30.

The square root of 27432642 is about 5237.6179700318. The cubic root of 27432642 is about 301.5938944487.

The spelling of 27432642 in words is "twenty-seven million, four hundred thirty-two thousand, six hundred forty-two".