47440273 has 2 divisors, whose sum is σ = 47440274. Its totient is φ = 47440272.

The previous prime is 47440271. The next prime is 47440277. The reversal of 47440273 is 37204474.

47440273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29942784 + 17497489 = 5472^2 + 4183^2 .

It is a cyclic number.

It is not a de Polignac number, because 47440273 - 2¹ = 47440271 is a prime.

Together with 47440271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47440271) 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, 23720136 + 23720137.

It is an arithmetic number, because the mean of its divisors is an integer number (23720137).

Almost surely, 2^47440273 is an apocalyptic number.

It is an amenable number.

47440273 is a deficient number, since it is larger than the sum of its proper divisors (1).

47440273 is an equidigital number, since it uses as much as digits as its factorization.

47440273 is an odious number, because the sum of its binary digits is odd.

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

The square root of 47440273 is about 6887.6899610827. The cubic root of 47440273 is about 362.0059648194.

The spelling of 47440273 in words is "forty-seven million, four hundred forty thousand, two hundred seventy-three".