6722680 has 16 divisors (see below), whose sum is σ = 15126120. Its totient is φ = 2689056.

The previous prime is 6722669. The next prime is 6722687. The reversal of 6722680 is 862276.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6722687) 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, 83994 + ... + 84073.

Almost surely, 2^6722680 is an apocalyptic number.

It is an amenable number.

6722680 is an abundant number, since it is smaller than the sum of its proper divisors (8403440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6722680 is a wasteful number, since it uses less digits than its factorization.

6722680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168078 (or 168074 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 6722680 is about 2592.8131440580. The cubic root of 6722680 is about 188.7328420291.

The spelling of 6722680 in words is "six million, seven hundred twenty-two thousand, six hundred eighty".