47438273 has 2 divisors, whose sum is σ = 47438274. Its totient is φ = 47438272.

The previous prime is 47438267. The next prime is 47438309. The reversal of 47438273 is 37283474.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46895104 + 543169 = 6848^2 + 737^2 .

It is a cyclic number.

It is not a de Polignac number, because 47438273 - 2¹⁰ = 47437249 is a prime.

It is not a weakly prime, because it can be changed into another prime (47438203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23719136 + 23719137.

It is an arithmetic number, because the mean of its divisors is an integer number (23719137).

Almost surely, 2^47438273 is an apocalyptic number.

It is an amenable number.

47438273 is a deficient number, since it is larger than the sum of its proper divisors (1).

47438273 is an equidigital number, since it uses as much as digits as its factorization.

47438273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 112896, while the sum is 38.

The square root of 47438273 is about 6887.5447729942. The cubic root of 47438273 is about 362.0008775657. Note that the first 3 decimals are identical.

The spelling of 47438273 in words is "forty-seven million, four hundred thirty-eight thousand, two hundred seventy-three".