8321073 has 8 divisors (see below), whose sum is σ = 11365536. Its totient is φ = 5412000.

The previous prime is 8321039. The next prime is 8321081. The reversal of 8321073 is 3701238.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8321073 - 2⁸ = 8320817 is a prime.

It is a Curzon number.

8321073 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (8321003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33703 + ... + 33948.

It is an arithmetic number, because the mean of its divisors is an integer number (1420692).

Almost surely, 2^8321073 is an apocalyptic number.

It is an amenable number.

8321073 is a deficient number, since it is larger than the sum of its proper divisors (3044463).

8321073 is a wasteful number, since it uses less digits than its factorization.

8321073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67695.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 8321073 is about 2884.6270122843. The cubic root of 8321073 is about 202.6405912874.

The spelling of 8321073 in words is "eight million, three hundred twenty-one thousand, seventy-three".