47807273 has 2 divisors, whose sum is σ = 47807274. Its totient is φ = 47807272.

The previous prime is 47807267. The next prime is 47807297. The reversal of 47807273 is 37270874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29463184 + 18344089 = 5428^2 + 4283^2 .

It is a cyclic number.

It is not a de Polignac number, because 47807273 - 2⁸ = 47807017 is a prime.

It is not a weakly prime, because it can be changed into another prime (47806273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23903636 + 23903637.

It is an arithmetic number, because the mean of its divisors is an integer number (23903637).

Almost surely, 2^47807273 is an apocalyptic number.

It is an amenable number.

47807273 is a deficient number, since it is larger than the sum of its proper divisors (1).

47807273 is an equidigital number, since it uses as much as digits as its factorization.

47807273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 65856, while the sum is 38.

The square root of 47807273 is about 6914.2803674714. The cubic root of 47807273 is about 362.9370658426.

The spelling of 47807273 in words is "forty-seven million, eight hundred seven thousand, two hundred seventy-three".