6874321 has 4 divisors (see below), whose sum is σ = 6879600. Its totient is φ = 6869044.

The previous prime is 6874319. The next prime is 6874331. The reversal of 6874321 is 1234786.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6874321 - 2¹ = 6874319 is a prime.

It is a super-2 number, since 2×6874321² = 94512578422082, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6 + 8⁷ + 7⁷ + 4⁹ + 3¹³ + 2²¹ + 1 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6874331) 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 3 ways as a sum of consecutive naturals, for example, 870 + ... + 3808.

It is an arithmetic number, because the mean of its divisors is an integer number (1719900).

Almost surely, 2^6874321 is an apocalyptic number.

It is an amenable number.

6874321 is a deficient number, since it is larger than the sum of its proper divisors (5279).

6874321 is a wasteful number, since it uses less digits than its factorization.

6874321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5278.

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

The square root of 6874321 is about 2621.8926370086. The cubic root of 6874321 is about 190.1413629417.

The spelling of 6874321 in words is "six million, eight hundred seventy-four thousand, three hundred twenty-one".