47938873 has 2 divisors, whose sum is σ = 47938874. Its totient is φ = 47938872.

The previous prime is 47938867. The next prime is 47938883. The reversal of 47938873 is 37883974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27751824 + 20187049 = 5268^2 + 4493^2 .

It is a cyclic number.

It is not a de Polignac number, because 47938873 - 2⁵ = 47938841 is a prime.

It is not a weakly prime, because it can be changed into another prime (47938823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23969436 + 23969437.

It is an arithmetic number, because the mean of its divisors is an integer number (23969437).

Almost surely, 2^47938873 is an apocalyptic number.

It is an amenable number.

47938873 is a deficient number, since it is larger than the sum of its proper divisors (1).

47938873 is an equidigital number, since it uses as much as digits as its factorization.

47938873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1016064, while the sum is 49.

The square root of 47938873 is about 6923.7903636664. The cubic root of 47938873 is about 363.2697820185.

The spelling of 47938873 in words is "forty-seven million, nine hundred thirty-eight thousand, eight hundred seventy-three".