47304473 has 2 divisors, whose sum is σ = 47304474. Its totient is φ = 47304472.

The previous prime is 47304469. The next prime is 47304487. The reversal of 47304473 is 37440374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47224384 + 80089 = 6872^2 + 283^2 .

It is a cyclic number.

It is not a de Polignac number, because 47304473 - 2² = 47304469 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 (47304403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23652236 + 23652237.

It is an arithmetic number, because the mean of its divisors is an integer number (23652237).

Almost surely, 2^47304473 is an apocalyptic number.

It is an amenable number.

47304473 is a deficient number, since it is larger than the sum of its proper divisors (1).

47304473 is an equidigital number, since it uses as much as digits as its factorization.

47304473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28224, while the sum is 32.

The square root of 47304473 is about 6877.8247287933. The cubic root of 47304473 is about 361.6602150331.

The spelling of 47304473 in words is "forty-seven million, three hundred four thousand, four hundred seventy-three".