6674321 has 4 divisors (see below), whose sum is σ = 6904500. Its totient is φ = 6444144.

The previous prime is 6674309. The next prime is 6674323. The reversal of 6674321 is 1234766.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4363921 + 2310400 = 2089^2 + 1520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6674321 is a prime.

It is a super-2 number, since 2×6674321² = 89093121622082, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29), and also a Moran number because the ratio is a prime number: 230149 = 6674321 / (6 + 6 + 7 + 4 + 3 + 2 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6674323) 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 3 ways as a sum of consecutive naturals, for example, 115046 + ... + 115103.

It is an arithmetic number, because the mean of its divisors is an integer number (1726125).

Almost surely, 2^6674321 is an apocalyptic number.

It is an amenable number.

6674321 is a deficient number, since it is larger than the sum of its proper divisors (230179).

6674321 is a wasteful number, since it uses less digits than its factorization.

6674321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230178.

The product of its digits is 6048, while the sum is 29.

The square root of 6674321 is about 2583.4707275292. The cubic root of 6674321 is about 188.2792082611.

The spelling of 6674321 in words is "six million, six hundred seventy-four thousand, three hundred twenty-one".