47173832 has 16 divisors (see below), whose sum is σ = 88912140. Its totient is φ = 23463936.

The previous prime is 47173831. The next prime is 47173837. The reversal of 47173832 is 23837174.

47173832 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 42954916 + 4218916 = 6554^2 + 2054^2 .

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 47173792 and 47173801.

It is not an unprimeable number, because it can be changed into a prime (47173831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13733 + ... + 16820.

Almost surely, 2^47173832 is an apocalyptic number.

It is an amenable number.

47173832 is a deficient number, since it is larger than the sum of its proper divisors (41738308).

47173832 is a wasteful number, since it uses less digits than its factorization.

47173832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30752 (or 30748 counting only the distinct ones).

The product of its digits is 28224, while the sum is 35.

The square root of 47173832 is about 6868.3209010645. The cubic root of 47173832 is about 361.3269751320.

The spelling of 47173832 in words is "forty-seven million, one hundred seventy-three thousand, eight hundred thirty-two".