47072832 has 28 divisors (see below), whose sum is σ = 124547376. Its totient is φ = 15690880.

The previous prime is 47072819. The next prime is 47072833. The reversal of 47072832 is 23827074.

It is a junction number, because it is equal to n+sod(n) for n = 47072793 and 47072802.

It is not an unprimeable number, because it can be changed into a prime (47072833) 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, 122394 + ... + 122777.

Almost surely, 2^47072832 is an apocalyptic number.

It is an amenable number.

47072832 is an abundant number, since it is smaller than the sum of its proper divisors (77474544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47072832 is a wasteful number, since it uses less digits than its factorization.

47072832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245186 (or 245176 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 33.

The square root of 47072832 is about 6860.9643637028. The cubic root of 47072832 is about 361.0689217527.

The spelling of 47072832 in words is "forty-seven million, seventy-two thousand, eight hundred thirty-two".