6720813260 has 48 divisors (see below), whose sum is σ = 16156729344. Its totient is φ = 2300453568.

The previous prime is 6720813173. The next prime is 6720813301. The reversal of 6720813260 is 623180276.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 6720813260.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45437 + ... + 124523.

It is an arithmetic number, because the mean of its divisors is an integer number (336598528).

Almost surely, 2^6720813260 is an apocalyptic number.

It is an amenable number.

6720813260 is an abundant number, since it is smaller than the sum of its proper divisors (9435916084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6720813260 is a wasteful number, since it uses less digits than its factorization.

6720813260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79710 (or 79708 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 6720813260 is about 81980.5663556919. The cubic root of 6720813260 is about 1887.1537142902.

The spelling of 6720813260 in words is "six billion, seven hundred twenty million, eight hundred thirteen thousand, two hundred sixty".