7847473 has 2 divisors, whose sum is σ = 7847474. Its totient is φ = 7847472.

The previous prime is 7847471. The next prime is 7847479. The reversal of 7847473 is 3747487.

7847473 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7772944 + 74529 = 2788^2 + 273^2 .

It is a cyclic number.

It is not a de Polignac number, because 7847473 - 2¹ = 7847471 is a prime.

Together with 7847471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (7847471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3923736 + 3923737.

It is an arithmetic number, because the mean of its divisors is an integer number (3923737).

Almost surely, 2^7847473 is an apocalyptic number.

It is an amenable number.

7847473 is a deficient number, since it is larger than the sum of its proper divisors (1).

7847473 is an equidigital number, since it uses as much as digits as its factorization.

7847473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 131712, while the sum is 40.

The square root of 7847473 is about 2801.3341464381. The cubic root of 7847473 is about 198.7207770544.

The spelling of 7847473 in words is "seven million, eight hundred forty-seven thousand, four hundred seventy-three".