47043472 has 40 divisors (see below), whose sum is σ = 104904000. Its totient is φ = 20019072.

The previous prime is 47043433. The next prime is 47043509. The reversal of 47043472 is 27434074.

47043472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 15279 + ... + 18097.

It is an arithmetic number, because the mean of its divisors is an integer number (2622600).

Almost surely, 2^47043472 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 47043472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52452000).

47043472 is an abundant number, since it is smaller than the sum of its proper divisors (57860528).

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

47043472 is a wasteful number, since it uses less digits than its factorization.

47043472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2983 (or 2977 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 31.

The square root of 47043472 is about 6858.8243890626. The cubic root of 47043472 is about 360.9938381864.

The spelling of 47043472 in words is "forty-seven million, forty-three thousand, four hundred seventy-two".