27000047 has 8 divisors (see below), whose sum is σ = 28019376. Its totient is φ = 25996032.

The previous prime is 27000041. The next prime is 27000049. The reversal of 27000047 is 74000072.

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

It is a cyclic number.

It is not a de Polignac number, because 27000047 - 2¹⁰ = 26999023 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26999992 and 27000028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27000041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173 + ... + 7350.

It is an arithmetic number, because the mean of its divisors is an integer number (3502422).

Almost surely, 2^27000047 is an apocalyptic number.

27000047 is a deficient number, since it is larger than the sum of its proper divisors (1019329).

27000047 is an equidigital number, since it uses as much as digits as its factorization.

27000047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7657.

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 27000047 is about 5196.1569452818. The cubic root of 27000047 is about 300.0001740740. Note that the first 3 decimals are identical.

The spelling of 27000047 in words is "twenty-seven million, forty-seven", and thus it is an aban number and an uban number.