47820673 has 2 divisors, whose sum is σ = 47820674. Its totient is φ = 47820672.

The previous prime is 47820671. The next prime is 47820683. The reversal of 47820673 is 37602874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47169424 + 651249 = 6868^2 + 807^2 .

It is a cyclic number.

It is not a de Polignac number, because 47820673 - 2¹ = 47820671 is a prime.

Together with 47820671, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47820671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23910336 + 23910337.

It is an arithmetic number, because the mean of its divisors is an integer number (23910337).

Almost surely, 2^47820673 is an apocalyptic number.

It is an amenable number.

47820673 is a deficient number, since it is larger than the sum of its proper divisors (1).

47820673 is an equidigital number, since it uses as much as digits as its factorization.

47820673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 37.

The square root of 47820673 is about 6915.2493085933. The cubic root of 47820673 is about 362.9709721366.

The spelling of 47820673 in words is "forty-seven million, eight hundred twenty thousand, six hundred seventy-three".