47912 has 16 divisors (see below), whose sum is σ = 92340. Its totient is φ = 23296.

The previous prime is 47911. The next prime is 47917. The reversal of 47912 is 21974.

47912 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 45796 + 2116 = 214^2 + 46^2 .

47912 is an undulating number in base 15.

Its product of digits (504) is a multiple of the sum of its prime divisors (168).

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47911) 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, 368 + ... + 480.

2⁴⁷⁹¹² is an apocalyptic number.

It is an amenable number.

47912 is a deficient number, since it is larger than the sum of its proper divisors (44428).

47912 is a wasteful number, since it uses less digits than its factorization.

47912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 168 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 47912 is about 218.8880992654. Note that the first 3 decimals coincide. The cubic root of 47912 is about 36.3201890188.

It can be divided in two parts, 47 and 912, that added together give a palindrome (959).

The spelling of 47912 in words is "forty-seven thousand, nine hundred twelve".