6728446 has 4 divisors (see below), whose sum is σ = 10092672. Its totient is φ = 3364222.

The previous prime is 6728441. The next prime is 6728467. The reversal of 6728446 is 6448276.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6728441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1682110 + ... + 1682113.

It is an arithmetic number, because the mean of its divisors is an integer number (2523168).

Almost surely, 2^6728446 is an apocalyptic number.

6728446 is a deficient number, since it is larger than the sum of its proper divisors (3364226).

6728446 is a wasteful number, since it uses less digits than its factorization.

6728446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364225.

The product of its digits is 64512, while the sum is 37.

The square root of 6728446 is about 2593.9248254335. The cubic root of 6728446 is about 188.7867849304.

The spelling of 6728446 in words is "six million, seven hundred twenty-eight thousand, four hundred forty-six".