27712742 has 8 divisors (see below), whose sum is σ = 41720016. Its totient is φ = 13806072.

The previous prime is 27712739. The next prime is 27712747. The reversal of 27712742 is 24721772.

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 = 27712699 and 27712708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27712747) 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, 24458 + ... + 25565.

It is an arithmetic number, because the mean of its divisors is an integer number (5215002).

Almost surely, 2^27712742 is an apocalyptic number.

27712742 is a deficient number, since it is larger than the sum of its proper divisors (14007274).

27712742 is a wasteful number, since it uses less digits than its factorization.

27712742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50302.

The product of its digits is 10976, while the sum is 32.

The square root of 27712742 is about 5264.2893157576. The cubic root of 27712742 is about 302.6168917373.

The spelling of 27712742 in words is "twenty-seven million, seven hundred twelve thousand, seven hundred forty-two".