27287642 has 8 divisors (see below), whose sum is σ = 41007936. Its totient is φ = 13618332.

The previous prime is 27287641. The next prime is 27287647. The reversal of 27287642 is 24678272.

It is a happy number.

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 = 27287596 and 27287605.

It is not an unprimeable number, because it can be changed into a prime (27287641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11378 + ... + 13565.

It is an arithmetic number, because the mean of its divisors is an integer number (5125992).

Almost surely, 2^27287642 is an apocalyptic number.

27287642 is a deficient number, since it is larger than the sum of its proper divisors (13720294).

27287642 is a wasteful number, since it uses less digits than its factorization.

27287642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25492.

The product of its digits is 75264, while the sum is 38.

The square root of 27287642 is about 5223.7574599133. The cubic root of 27287642 is about 301.0615798042.

The spelling of 27287642 in words is "twenty-seven million, two hundred eighty-seven thousand, six hundred forty-two".