6720259992 has 32 divisors (see below), whose sum is σ = 16804525680. Its totient is φ = 2239569920.

The previous prime is 6720259963. The next prime is 6720259993. The reversal of 6720259992 is 2999520276.

It is a happy number.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6720259993) 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, 82192 + ... + 142112.

Almost surely, 2^6720259992 is an apocalyptic number.

It is an amenable number.

6720259992 is an abundant number, since it is smaller than the sum of its proper divisors (10084265688).

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

6720259992 is a wasteful number, since it uses less digits than its factorization.

6720259992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64603 (or 64599 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 51.

The square root of 6720259992 is about 81977.1919011624. The cubic root of 6720259992 is about 1887.1019283741.

The spelling of 6720259992 in words is "six billion, seven hundred twenty million, two hundred fifty-nine thousand, nine hundred ninety-two".