6722569 has 8 divisors (see below), whose sum is σ = 7699328. Its totient is φ = 5749920.

The previous prime is 6722563. The next prime is 6722581. The reversal of 6722569 is 9652276.

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

It is a cyclic number.

It is not a de Polignac number, because 6722569 - 2⁵ = 6722537 is a prime.

It is a super-2 number, since 2×6722569² = 90385867919522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6722563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4429 + ... + 5749.

It is an arithmetic number, because the mean of its divisors is an integer number (962416).

Almost surely, 2^6722569 is an apocalyptic number.

It is an amenable number.

6722569 is a deficient number, since it is larger than the sum of its proper divisors (976759).

6722569 is a wasteful number, since it uses less digits than its factorization.

6722569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055.

The product of its digits is 45360, while the sum is 37.

The square root of 6722569 is about 2592.7917386477. The cubic root of 6722569 is about 188.7318032836.

The spelling of 6722569 in words is "six million, seven hundred twenty-two thousand, five hundred sixty-nine".