8021373 has 4 divisors (see below), whose sum is σ = 10695168. Its totient is φ = 5347580.

The previous prime is 8021359. The next prime is 8021381. The reversal of 8021373 is 3731208.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8021373 - 2¹⁸ = 7759229 is a prime.

8021373 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8021323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1336893 + ... + 1336898.

It is an arithmetic number, because the mean of its divisors is an integer number (2673792).

Almost surely, 2^8021373 is an apocalyptic number.

It is an amenable number.

8021373 is a deficient number, since it is larger than the sum of its proper divisors (2673795).

8021373 is a wasteful number, since it uses less digits than its factorization.

8021373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2673794.

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

The square root of 8021373 is about 2832.2028529044. The cubic root of 8021373 is about 200.1779499554.

The spelling of 8021373 in words is "eight million, twenty-one thousand, three hundred seventy-three".