6722626 has 8 divisors (see below), whose sum is σ = 10274364. Its totient is φ = 3297840.

The previous prime is 6722623. The next prime is 6722657. The reversal of 6722626 is 6262276.

It can be written as a sum of positive squares in 2 ways, for example, as 6682225 + 40401 = 2585^2 + 201^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6722623) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31605 + ... + 31816.

Almost surely, 2^6722626 is an apocalyptic number.

6722626 is a deficient number, since it is larger than the sum of its proper divisors (3551738).

6722626 is a wasteful number, since it uses less digits than its factorization.

6722626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63476.

The product of its digits is 12096, while the sum is 31.

The square root of 6722626 is about 2592.8027306373. The cubic root of 6722626 is about 188.7323366948.

The spelling of 6722626 in words is "six million, seven hundred twenty-two thousand, six hundred twenty-six".