6722707 has 4 divisors (see below), whose sum is σ = 6788080. Its totient is φ = 6657336.

The previous prime is 6722689. The next prime is 6722717. The reversal of 6722707 is 7072276.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6722707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6722717) by changing a digit.

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, 32532 + ... + 32737.

It is an arithmetic number, because the mean of its divisors is an integer number (1697020).

Almost surely, 2^6722707 is an apocalyptic number.

6722707 is a deficient number, since it is larger than the sum of its proper divisors (65373).

6722707 is a wasteful number, since it uses less digits than its factorization.

6722707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65372.

The product of its (nonzero) digits is 8232, while the sum is 31.

The square root of 6722707 is about 2592.8183507527. The cubic root of 6722707 is about 188.7330946952.

The spelling of 6722707 in words is "six million, seven hundred twenty-two thousand, seven hundred seven".