6722404 has 12 divisors (see below), whose sum is σ = 12669244. Its totient is φ = 3102624.

The previous prime is 6722399. The next prime is 6722411. The reversal of 6722404 is 4042276.

It can be written as a sum of positive squares in 2 ways, for example, as 2528100 + 4194304 = 1590^2 + 2048^2 .

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 3 ways as a sum of consecutive naturals, for example, 64587 + ... + 64690.

Almost surely, 2^6722404 is an apocalyptic number.

It is an amenable number.

6722404 is a deficient number, since it is larger than the sum of its proper divisors (5946840).

6722404 is a wasteful number, since it uses less digits than its factorization.

6722404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129294 (or 129292 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 6722404 is about 2592.7599194681. The cubic root of 6722404 is about 188.7302591813.

The spelling of 6722404 in words is "six million, seven hundred twenty-two thousand, four hundred four".