47539328 has 32 divisors (see below), whose sum is σ = 96059520. Its totient is φ = 23430400.

The previous prime is 47539319. The next prime is 47539333. The reversal of 47539328 is 82393574.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6473 + ... + 11703.

It is an arithmetic number, because the mean of its divisors is an integer number (3001860).

Almost surely, 2^47539328 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 47539328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48029760).

47539328 is an abundant number, since it is smaller than the sum of its proper divisors (48520192).

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

47539328 is an equidigital number, since it uses as much as digits as its factorization.

47539328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5316 (or 5304 counting only the distinct ones).

The product of its digits is 181440, while the sum is 41.

The square root of 47539328 is about 6894.8769387133. The cubic root of 47539328 is about 362.2577450758.

The spelling of 47539328 in words is "forty-seven million, five hundred thirty-nine thousand, three hundred twenty-eight".