6873421 has 16 divisors (see below), whose sum is σ = 7603200. Its totient is φ = 6190128.

The previous prime is 6873407. The next prime is 6873437. The reversal of 6873421 is 1243786.

It is a cyclic number.

It is not a de Polignac number, because 6873421 - 2⁹ = 6872909 is a prime.

It is a Duffinian number.

Its product of digits (8064) is a multiple of the sum of its prime divisors (288).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6873121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38310 + ... + 38488.

It is an arithmetic number, because the mean of its divisors is an integer number (475200).

Almost surely, 2^6873421 is an apocalyptic number.

It is an amenable number.

6873421 is a deficient number, since it is larger than the sum of its proper divisors (729779).

6873421 is a wasteful number, since it uses less digits than its factorization.

6873421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288.

The product of its digits is 8064, while the sum is 31.

The square root of 6873421 is about 2621.7209996489. The cubic root of 6873421 is about 190.1330646824.

The spelling of 6873421 in words is "six million, eight hundred seventy-three thousand, four hundred twenty-one".