6746321 has 4 divisors (see below), whose sum is σ = 6928692. Its totient is φ = 6563952.

The previous prime is 6746293. The next prime is 6746339. The reversal of 6746321 is 1236476.

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 6553600 + 192721 = 2560^2 + 439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6746321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (6746351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91130 + ... + 91203.

It is an arithmetic number, because the mean of its divisors is an integer number (1732173).

Almost surely, 2^6746321 is an apocalyptic number.

It is an amenable number.

6746321 is a deficient number, since it is larger than the sum of its proper divisors (182371).

6746321 is a wasteful number, since it uses less digits than its factorization.

6746321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182370.

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

The square root of 6746321 is about 2597.3680909721. The cubic root of 6746321 is about 188.9538160626.

The spelling of 6746321 in words is "six million, seven hundred forty-six thousand, three hundred twenty-one".