6726608073 has 12 divisors (see below), whose sum is σ = 9787134708. Its totient is φ = 4451671680.

The previous prime is 6726608047. The next prime is 6726608081. The reversal of 6726608073 is 3708066276.

It can be written as a sum of positive squares in 2 ways, for example, as 4843742409 + 1882865664 = 69597^2 + 43392^2 .

It is not a de Polignac number, because 6726608073 - 2⁵ = 6726608041 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6726608033) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2726508 + ... + 2728973.

It is an arithmetic number, because the mean of its divisors is an integer number (815594559).

Almost surely, 2^6726608073 is an apocalyptic number.

It is an amenable number.

6726608073 is a deficient number, since it is larger than the sum of its proper divisors (3060526635).

6726608073 is a wasteful number, since it uses less digits than its factorization.

6726608073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5455624 (or 5455621 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 6726608073 is about 82015.9013423617. The cubic root of 6726608073 is about 1887.6959384213.

The spelling of 6726608073 in words is "six billion, seven hundred twenty-six million, six hundred eight thousand, seventy-three".