6729750073 has 2 divisors, whose sum is σ = 6729750074. Its totient is φ = 6729750072.

The previous prime is 6729750029. The next prime is 6729750109. The reversal of 6729750073 is 3700579276.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3847348729 + 2882401344 = 62027^2 + 53688^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6729750073 is a prime.

It is not a weakly prime, because it can be changed into another prime (6729750023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3364875036 + 3364875037.

It is an arithmetic number, because the mean of its divisors is an integer number (3364875037).

Almost surely, 2^6729750073 is an apocalyptic number.

It is an amenable number.

6729750073 is a deficient number, since it is larger than the sum of its proper divisors (1).

6729750073 is an equidigital number, since it uses as much as digits as its factorization.

6729750073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 555660, while the sum is 46.

The square root of 6729750073 is about 82035.0539281837. The cubic root of 6729750073 is about 1887.9898070563.

It can be divided in two parts, 67297 and 50073, that added together give a triangular number (117370 = T₄₈₄).

The spelling of 6729750073 in words is "six billion, seven hundred twenty-nine million, seven hundred fifty thousand, seventy-three".