6720712241 has 2 divisors, whose sum is σ = 6720712242. Its totient is φ = 6720712240.

The previous prime is 6720712237. The next prime is 6720712283. The reversal of 6720712241 is 1422170276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5059334641 + 1661377600 = 71129^2 + 40760^2 .

It is a cyclic number.

It is not a de Polignac number, because 6720712241 - 2² = 6720712237 is a prime.

It is a super-3 number, since 3×6720712241³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6720712198 and 6720712207.

It is not a weakly prime, because it can be changed into another prime (6720712211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3360356120 + 3360356121.

It is an arithmetic number, because the mean of its divisors is an integer number (3360356121).

Almost surely, 2^6720712241 is an apocalyptic number.

It is an amenable number.

6720712241 is a deficient number, since it is larger than the sum of its proper divisors (1).

6720712241 is an equidigital number, since it uses as much as digits as its factorization.

6720712241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 6720712241 is about 81979.9502378478. The cubic root of 6720712241 is about 1887.1442591182.

The spelling of 6720712241 in words is "six billion, seven hundred twenty million, seven hundred twelve thousand, two hundred forty-one".