8321073273 has 8 divisors (see below), whose sum is σ = 12327516000. Its totient is φ = 5547382164.

The previous prime is 8321073247. The next prime is 8321073307. The reversal of 8321073273 is 3723701238.

8321073273 is a `hidden beast` number, since 8 + 321 + 0 + 7 + 327 + 3 = 666.

It is not a de Polignac number, because 8321073273 - 2³² = 4026105977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8321073203) 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, 154093923 + ... + 154093976.

It is an arithmetic number, because the mean of its divisors is an integer number (1540939500).

Almost surely, 2^8321073273 is an apocalyptic number.

It is an amenable number.

8321073273 is a deficient number, since it is larger than the sum of its proper divisors (4006442727).

8321073273 is a wasteful number, since it uses less digits than its factorization.

8321073273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308187908 (or 308187902 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 8321073273 is about 91219.9170850314. The cubic root of 8321073273 is about 2026.4059350345.

The spelling of 8321073273 in words is "eight billion, three hundred twenty-one million, seventy-three thousand, two hundred seventy-three".