6728342 has 4 divisors (see below), whose sum is σ = 10092516. Its totient is φ = 3364170.

The previous prime is 6728327. The next prime is 6728347. The reversal of 6728342 is 2438276.

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

It is a junction number, because it is equal to n+sod(n) for n = 6728299 and 6728308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6728347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1682084 + ... + 1682087.

It is an arithmetic number, because the mean of its divisors is an integer number (2523129).

Almost surely, 2^6728342 is an apocalyptic number.

6728342 is a deficient number, since it is larger than the sum of its proper divisors (3364174).

6728342 is a wasteful number, since it uses less digits than its factorization.

6728342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3364173.

The product of its digits is 16128, while the sum is 32.

The square root of 6728342 is about 2593.9047785144. The cubic root of 6728342 is about 188.7858122478.

The spelling of 6728342 in words is "six million, seven hundred twenty-eight thousand, three hundred forty-two".