47302273 has 2 divisors, whose sum is σ = 47302274. Its totient is φ = 47302272.

The previous prime is 47302271. The next prime is 47302289. The reversal of 47302273 is 37220374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41770369 + 5531904 = 6463^2 + 2352^2 .

It is a cyclic number.

It is not a de Polignac number, because 47302273 - 2¹ = 47302271 is a prime.

Together with 47302271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47302271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23651136 + 23651137.

It is an arithmetic number, because the mean of its divisors is an integer number (23651137).

Almost surely, 2^47302273 is an apocalyptic number.

It is an amenable number.

47302273 is a deficient number, since it is larger than the sum of its proper divisors (1).

47302273 is an equidigital number, since it uses as much as digits as its factorization.

47302273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 28.

The square root of 47302273 is about 6877.6647926458. The cubic root of 47302273 is about 361.6546083412.

The spelling of 47302273 in words is "forty-seven million, three hundred two thousand, two hundred seventy-three".