6720360193 has 4 divisors (see below), whose sum is σ = 6740663728. Its totient is φ = 6700056660.

The previous prime is 6720360181. The next prime is 6720360223. The reversal of 6720360193 is 3910630276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6720360193 is a prime.

It is a super-2 number, since 2×6720360193² = 90326482247317994498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6720360103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10151271 + ... + 10151932.

It is an arithmetic number, because the mean of its divisors is an integer number (1685165932).

Almost surely, 2^6720360193 is an apocalyptic number.

It is an amenable number.

6720360193 is a deficient number, since it is larger than the sum of its proper divisors (20303535).

6720360193 is a wasteful number, since it uses less digits than its factorization.

6720360193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20303534.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 6720360193 is about 81977.8030505819. The cubic root of 6720360193 is about 1887.1113074042. Note that the first 3 decimals are identical.

The spelling of 6720360193 in words is "six billion, seven hundred twenty million, three hundred sixty thousand, one hundred ninety-three".