47705393 has 2 divisors, whose sum is σ = 47705394. Its totient is φ = 47705392.

The previous prime is 47705389. The next prime is 47705419. The reversal of 47705393 is 39350774.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43138624 + 4566769 = 6568^2 + 2137^2 .

It is a cyclic number.

It is not a de Polignac number, because 47705393 - 2² = 47705389 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 (47705303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23852696 + 23852697.

It is an arithmetic number, because the mean of its divisors is an integer number (23852697).

Almost surely, 2^47705393 is an apocalyptic number.

It is an amenable number.

47705393 is a deficient number, since it is larger than the sum of its proper divisors (1).

47705393 is an equidigital number, since it uses as much as digits as its factorization.

47705393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 79380, while the sum is 38.

The square root of 47705393 is about 6906.9090771488. The cubic root of 47705393 is about 362.6790693559.

The spelling of 47705393 in words is "forty-seven million, seven hundred five thousand, three hundred ninety-three".