47009832 has 64 divisors (see below), whose sum is σ = 121806720. Its totient is φ = 15107328.

The previous prime is 47009797. The next prime is 47009839. The reversal of 47009832 is 23890074.

It is a junction number, because it is equal to n+sod(n) for n = 47009793 and 47009802.

It is not an unprimeable number, because it can be changed into a prime (47009839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148138 + ... + 148454.

It is an arithmetic number, because the mean of its divisors is an integer number (1903230).

Almost surely, 2^47009832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47009832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60903360).

47009832 is an abundant number, since it is smaller than the sum of its proper divisors (74796888).

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

47009832 is a wasteful number, since it uses less digits than its factorization.

47009832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 530 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 47009832 is about 6856.3716352018. The cubic root of 47009832 is about 360.9077707828.

The spelling of 47009832 in words is "forty-seven million, nine thousand, eight hundred thirty-two".