47506 has 4 divisors (see below), whose sum is σ = 71262. Its totient is φ = 23752.

The previous prime is 47501. The next prime is 47507. The reversal of 47506 is 60574.

47506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 36481 + 11025 = 191^2 + 105^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a plaindrome in base 12.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (47501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11875 + ... + 11878.

2⁴⁷⁵⁰⁶ is an apocalyptic number.

47506 is a deficient number, since it is larger than the sum of its proper divisors (23756).

47506 is a wasteful number, since it uses less digits than its factorization.

47506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23755.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 47506 is about 217.9587116864. The cubic root of 47506 is about 36.2173070280.

The spelling of 47506 in words is "forty-seven thousand, five hundred six".