6722618 has 32 divisors (see below), whose sum is σ = 12288000. Its totient is φ = 2694384.

The previous prime is 6722603. The next prime is 6722623. The reversal of 6722618 is 8162276.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33683 + ... + 33881.

It is an arithmetic number, because the mean of its divisors is an integer number (384000).

Almost surely, 2^6722618 is an apocalyptic number.

6722618 is a deficient number, since it is larger than the sum of its proper divisors (5565382).

6722618 is a wasteful number, since it uses less digits than its factorization.

6722618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354.

The product of its digits is 8064, while the sum is 32.

The square root of 6722618 is about 2592.8011879047. The cubic root of 6722618 is about 188.7322618303.

The spelling of 6722618 in words is "six million, seven hundred twenty-two thousand, six hundred eighteen".