8071321 has 8 divisors (see below), whose sum is σ = 8519040. Its totient is φ = 7631712.

The previous prime is 8071319. The next prime is 8071363. The reversal of 8071321 is 1231708.

8071321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 8071321 - 2¹ = 8071319 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8071292 and 8071301.

It is not an unprimeable number, because it can be changed into a prime (8071381) 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, 76 + ... + 4018.

It is an arithmetic number, because the mean of its divisors is an integer number (1064880).

Almost surely, 2^8071321 is an apocalyptic number.

It is an amenable number.

8071321 is a deficient number, since it is larger than the sum of its proper divisors (447719).

8071321 is a wasteful number, since it uses less digits than its factorization.

8071321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 8071321 is about 2841.0070397660. The cubic root of 8071321 is about 200.5925841527.

The spelling of 8071321 in words is "eight million, seventy-one thousand, three hundred twenty-one".