6722965 has 4 divisors (see below), whose sum is σ = 8067564. Its totient is φ = 5378368.

The previous prime is 6722957. The next prime is 6722987. The reversal of 6722965 is 5692276.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1874161 + 4848804 = 1369^2 + 2202^2 .

It is a cyclic number.

It is not a de Polignac number, because 6722965 - 2³ = 6722957 is a prime.

It is a Duffinian number.

6722965 is a lucky 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, 672292 + ... + 672301.

It is an arithmetic number, because the mean of its divisors is an integer number (2016891).

Almost surely, 2^6722965 is an apocalyptic number.

It is an amenable number.

6722965 is a deficient number, since it is larger than the sum of its proper divisors (1344599).

6722965 is a wasteful number, since it uses less digits than its factorization.

6722965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344598.

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

The square root of 6722965 is about 2592.8681030858. The cubic root of 6722965 is about 188.7355090260.

It can be divided in two parts, 67 and 22965, that added together give a palindrome (23032).

The spelling of 6722965 in words is "six million, seven hundred twenty-two thousand, nine hundred sixty-five".