6880073729 has 2 divisors, whose sum is σ = 6880073730. Its totient is φ = 6880073728.

The previous prime is 6880073719. The next prime is 6880073747. The reversal of 6880073729 is 9273700886.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6879873025 + 200704 = 82945^2 + 448^2 .

It is a cyclic number.

It is not a de Polignac number, because 6880073729 - 2¹² = 6880069633 is a prime.

It is not a weakly prime, because it can be changed into another prime (6880073719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3440036864 + 3440036865.

It is an arithmetic number, because the mean of its divisors is an integer number (3440036865).

Almost surely, 2^6880073729 is an apocalyptic number.

It is an amenable number.

6880073729 is a deficient number, since it is larger than the sum of its proper divisors (1).

6880073729 is an equidigital number, since it uses as much as digits as its factorization.

6880073729 is an evil number, because the sum of its binary digits is even.

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

The square root of 6880073729 is about 82946.2098531331. The cubic root of 6880073729 is about 1901.9438765757.

The spelling of 6880073729 in words is "six billion, eight hundred eighty million, seventy-three thousand, seven hundred twenty-nine".