6720339672 has 48 divisors (see below), whose sum is σ = 19158867000. Its totient is φ = 2122212096.

The previous prime is 6720339611. The next prime is 6720339677. The reversal of 6720339672 is 2769330276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6720339677) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2454897 + ... + 2457632.

Almost surely, 2^6720339672 is an apocalyptic number.

It is an amenable number.

6720339672 is an abundant number, since it is smaller than the sum of its proper divisors (12438527328).

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

6720339672 is a wasteful number, since it uses less digits than its factorization.

6720339672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4912560 (or 4912553 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 45.

The square root of 6720339672 is about 81977.6778885570. The cubic root of 6720339672 is about 1887.1093866018.

The spelling of 6720339672 in words is "six billion, seven hundred twenty million, three hundred thirty-nine thousand, six hundred seventy-two".