6723442 has 8 divisors (see below), whose sum is σ = 11002032. Its totient is φ = 3056100.

The previous prime is 6723439. The next prime is 6723443. The reversal of 6723442 is 2443276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6723442.

It is not an unprimeable number, because it can be changed into a prime (6723443) 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, 152784 + ... + 152827.

It is an arithmetic number, because the mean of its divisors is an integer number (1375254).

Almost surely, 2^6723442 is an apocalyptic number.

6723442 is a deficient number, since it is larger than the sum of its proper divisors (4278590).

6723442 is a wasteful number, since it uses less digits than its factorization.

6723442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305624.

The product of its digits is 8064, while the sum is 28.

The square root of 6723442 is about 2592.9600845366. The cubic root of 6723442 is about 188.7399725679.

It can be divided in two parts, 67234 and 42, that added together give a palindrome (67276).

The spelling of 6723442 in words is "six million, seven hundred twenty-three thousand, four hundred forty-two".