4073321 has 12 divisors (see below), whose sum is σ = 4792788. Its totient is φ = 3451392.

The previous prime is 4073291. The next prime is 4073339. The reversal of 4073321 is 1233704.

4073321 = 155² + 156² + ... + 251².

It can be written as a sum of positive squares in 2 ways, for example, as 2941225 + 1132096 = 1715^2 + 1064^2 .

It is not a de Polignac number, because 4073321 - 2⁶ = 4073257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4073293 and 4073302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4073351) 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 11 ways as a sum of consecutive naturals, for example, 4325 + ... + 5181.

It is an arithmetic number, because the mean of its divisors is an integer number (399399).

Almost surely, 2^4073321 is an apocalyptic number.

It is an amenable number.

4073321 is a deficient number, since it is larger than the sum of its proper divisors (719467).

4073321 is an equidigital number, since it uses as much as digits as its factorization.

4073321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 968 (or 961 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 4073321 is about 2018.2470116415. The cubic root of 4073321 is about 159.7041538270.

The spelling of 4073321 in words is "four million, seventy-three thousand, three hundred twenty-one".