9447073 has 2 divisors, whose sum is σ = 9447074. Its totient is φ = 9447072.

The previous prime is 9447041. The next prime is 9447077. The reversal of 9447073 is 3707449.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6512704 + 2934369 = 2552^2 + 1713^2 .

It is an emirp because it is prime and its reverse (3707449) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9447073 - 2⁵ = 9447041 is a prime.

It is not a weakly prime, because it can be changed into another prime (9447077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4723536 + 4723537.

It is an arithmetic number, because the mean of its divisors is an integer number (4723537).

Almost surely, 2^9447073 is an apocalyptic number.

It is an amenable number.

9447073 is a deficient number, since it is larger than the sum of its proper divisors (1).

9447073 is an equidigital number, since it uses as much as digits as its factorization.

9447073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 9447073 is about 3073.6091163321. The cubic root of 9447073 is about 211.3971317255.

The spelling of 9447073 in words is "nine million, four hundred forty-seven thousand, seventy-three".