47399273 has 2 divisors, whose sum is σ = 47399274. Its totient is φ = 47399272.

The previous prime is 47399267. The next prime is 47399293. The reversal of 47399273 is 37299374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41576704 + 5822569 = 6448^2 + 2413^2 .

It is a cyclic number.

It is not a de Polignac number, because 47399273 - 2¹⁴ = 47382889 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (47399203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23699636 + 23699637.

It is an arithmetic number, because the mean of its divisors is an integer number (23699637).

Almost surely, 2^47399273 is an apocalyptic number.

It is an amenable number.

47399273 is a deficient number, since it is larger than the sum of its proper divisors (1).

47399273 is an equidigital number, since it uses as much as digits as its factorization.

47399273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 285768, while the sum is 44.

The square root of 47399273 is about 6884.7129932917. The cubic root of 47399273 is about 361.9016475277.

The spelling of 47399273 in words is "forty-seven million, three hundred ninety-nine thousand, two hundred seventy-three".