6720890726120 has 16 divisors (see below), whose sum is σ = 15122004133860. Its totient is φ = 2688356290432.

The previous prime is 6720890726101. The next prime is 6720890726129. The reversal of 6720890726120 is 216270980276.

It can be written as a sum of positive squares in 2 ways, for example, as 6641063004676 + 79827721444 = 2577026^2 + 282538^2 .

It is not an unprimeable number, because it can be changed into a prime (6720890726129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84011134037 + ... + 84011134116.

Almost surely, 2^{6720890726120} is an apocalyptic number.

It is an amenable number.

6720890726120 is an abundant number, since it is smaller than the sum of its proper divisors (8401113407740).

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

6720890726120 is a wasteful number, since it uses less digits than its factorization.

6720890726120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168022268164 (or 168022268160 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 50.

The spelling of 6720890726120 in words is "six trillion, seven hundred twenty billion, eight hundred ninety million, seven hundred twenty-six thousand, one hundred twenty".