47473 has 4 divisors (see below), whose sum is σ = 49140. Its totient is φ = 45808.

The previous prime is 47459. The next prime is 47491. The reversal of 47473 is 37474.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10609 + 36864 = 103^2 + 192^2 .

It is a cyclic number.

It is not a de Polignac number, because 47473 - 2⁵ = 47441 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (42473) 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, 790 + ... + 847.

It is an arithmetic number, because the mean of its divisors is an integer number (12285).

2⁴⁷⁴⁷³ is an apocalyptic number.

It is an amenable number.

47473 is a deficient number, since it is larger than the sum of its proper divisors (1667).

47473 is a wasteful number, since it uses less digits than its factorization.

47473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1666.

The product of its digits is 2352, while the sum is 25.

The square root of 47473 is about 217.8829961241. The cubic root of 47473 is about 36.2089189790.

Subtracting from 47473 its reverse (37474), we obtain a palindrome (9999).

It can be divided in two parts, 4747 and 3, that multiplied together give a palindrome (14241).

The spelling of 47473 in words is "forty-seven thousand, four hundred seventy-three", and thus it is an iban number.