6720707013 has 8 divisors (see below), whose sum is σ = 8964832800. Its totient is φ = 4478526288.

The previous prime is 6720707009. The next prime is 6720707033. The reversal of 6720707013 is 3107070276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6720707013 - 2² = 6720707009 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6720707033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478183 + ... + 492036.

It is an arithmetic number, because the mean of its divisors is an integer number (1120604100).

Almost surely, 2^6720707013 is an apocalyptic number.

It is an amenable number.

6720707013 is a deficient number, since it is larger than the sum of its proper divisors (2244125787).

6720707013 is a wasteful number, since it uses less digits than its factorization.

6720707013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 972531.

The product of its (nonzero) digits is 12348, while the sum is 33.

The square root of 6720707013 is about 81979.9183519964. The cubic root of 6720707013 is about 1887.1437697855.

Adding to 6720707013 its reverse (3107070276), we get a palindrome (9827777289).

The spelling of 6720707013 in words is "six billion, seven hundred twenty million, seven hundred seven thousand, thirteen".