47047 has 16 divisors (see below), whose sum is σ = 64512. Its totient is φ = 33120.

The previous prime is 47041. The next prime is 47051. The reversal of 47047 is 74074.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 47047 - 2⁷ = 46919 is a prime.

47047 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47041) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 978 + ... + 1024.

It is an arithmetic number, because the mean of its divisors is an integer number (4032).

2⁴⁷⁰⁴⁷ is an apocalyptic number.

47047 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

47047 is a deficient number, since it is larger than the sum of its proper divisors (17465).

47047 is a wasteful number, since it uses less digits than its factorization.

47047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 47047 is about 216.9032042179. The cubic root of 47047 is about 36.1002862141.

Adding to 47047 its reverse (74074), we get a palindrome (121121).

The spelling of 47047 in words is "forty-seven thousand, forty-seven", and thus it is an iban number.