47324813 has 8 divisors (see below), whose sum is σ = 49522968. Its totient is φ = 45175104.

The previous prime is 47324791. The next prime is 47324819. The reversal of 47324813 is 31842374.

47324813 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 4 ways, for example, as 20097289 + 27227524 = 4483^2 + 5218^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47324813 - 2¹⁰ = 47323789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47324813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47324819) 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 7 ways as a sum of consecutive naturals, for example, 10106 + ... + 14027.

It is an arithmetic number, because the mean of its divisors is an integer number (6190371).

Almost surely, 2^47324813 is an apocalyptic number.

It is an amenable number.

47324813 is a deficient number, since it is larger than the sum of its proper divisors (2198155).

47324813 is a wasteful number, since it uses less digits than its factorization.

47324813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24223.

The product of its digits is 16128, while the sum is 32.

The square root of 47324813 is about 6879.3032350668. The cubic root of 47324813 is about 361.7120432163.

The spelling of 47324813 in words is "forty-seven million, three hundred twenty-four thousand, eight hundred thirteen".