8309073 has 16 divisors (see below), whose sum is σ = 11805696. Its totient is φ = 5180160.

The previous prime is 8309071. The next prime is 8309123. The reversal of 8309073 is 3709038.

8309073 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8309073 - 2¹ = 8309071 is a prime.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 8309073.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8309071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9315 + ... + 10167.

It is an arithmetic number, because the mean of its divisors is an integer number (737856).

Almost surely, 2^8309073 is an apocalyptic number.

It is an amenable number.

8309073 is a deficient number, since it is larger than the sum of its proper divisors (3496623).

8309073 is a wasteful number, since it uses less digits than its factorization.

8309073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 8309073 is about 2882.5462702271. The cubic root of 8309073 is about 202.5431336252.

The spelling of 8309073 in words is "eight million, three hundred nine thousand, seventy-three".