6720026273 has 4 divisors (see below), whose sum is σ = 6724717188. Its totient is φ = 6715335360.

The previous prime is 6720026249. The next prime is 6720026279. The reversal of 6720026273 is 3726200276.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3593762704 + 3126263569 = 59948^2 + 55913^2 .

It is a cyclic number.

It is not a de Polignac number, because 6720026273 - 2²⁰ = 6718977697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6720026279) 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, 2343308 + ... + 2346173.

It is an arithmetic number, because the mean of its divisors is an integer number (1681179297).

Almost surely, 2^6720026273 is an apocalyptic number.

It is an amenable number.

6720026273 is a deficient number, since it is larger than the sum of its proper divisors (4690915).

6720026273 is a wasteful number, since it uses less digits than its factorization.

6720026273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4690914.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 6720026273 is about 81975.7663764115. The cubic root of 6720026273 is about 1887.0800514086.

The spelling of 6720026273 in words is "six billion, seven hundred twenty million, twenty-six thousand, two hundred seventy-three".