47372873 has 2 divisors, whose sum is σ = 47372874. Its totient is φ = 47372872.

The previous prime is 47372849. The next prime is 47372891. The reversal of 47372873 is 37827374.

47372873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26915344 + 20457529 = 5188^2 + 4523^2 .

It is a cyclic number.

It is not a de Polignac number, because 47372873 - 2¹² = 47368777 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47372873.

It is not a weakly prime, because it can be changed into another prime (47372803) 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 as a sum of consecutive naturals, namely, 23686436 + 23686437.

It is an arithmetic number, because the mean of its divisors is an integer number (23686437).

Almost surely, 2^47372873 is an apocalyptic number.

It is an amenable number.

47372873 is a deficient number, since it is larger than the sum of its proper divisors (1).

47372873 is an equidigital number, since it uses as much as digits as its factorization.

47372873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 197568, while the sum is 41.

The square root of 47372873 is about 6882.7954349959. The cubic root of 47372873 is about 361.8344455276.

The spelling of 47372873 in words is "forty-seven million, three hundred seventy-two thousand, eight hundred seventy-three".