47128324 has 12 divisors (see below), whose sum is σ = 82710684. Its totient is φ = 23496704.

The previous prime is 47128321. The next prime is 47128349. The reversal of 47128324 is 42382174.

47128324 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 27040000 + 20088324 = 5200^2 + 4482^2 .

It is not an unprimeable number, because it can be changed into a prime (47128321) 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, 15277 + ... + 18100.

It is an arithmetic number, because the mean of its divisors is an integer number (6892557).

Almost surely, 2^47128324 is an apocalyptic number.

It is an amenable number.

47128324 is a deficient number, since it is larger than the sum of its proper divisors (35582360).

47128324 is a wasteful number, since it uses less digits than its factorization.

47128324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33734 (or 33732 counting only the distinct ones).

The product of its digits is 10752, while the sum is 31.

The square root of 47128324 is about 6865.0072104842. The cubic root of 47128324 is about 361.2107485599.

The spelling of 47128324 in words is "forty-seven million, one hundred twenty-eight thousand, three hundred twenty-four".