6722006 has 8 divisors (see below), whose sum is σ = 10118304. Its totient is φ = 3349240.

The previous prime is 6721999. The next prime is 6722039. The reversal of 6722006 is 6002276.

It is a happy number.

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5150 + ... + 6321.

It is an arithmetic number, because the mean of its divisors is an integer number (1264788).

Almost surely, 2^6722006 is an apocalyptic number.

6722006 is a deficient number, since it is larger than the sum of its proper divisors (3396298).

6722006 is a wasteful number, since it uses less digits than its factorization.

6722006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11766.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 6722006 is about 2592.6831661428. The cubic root of 6722006 is about 188.7265345155.

The spelling of 6722006 in words is "six million, seven hundred twenty-two thousand, six".