6720585468 has 12 divisors (see below), whose sum is σ = 15681366120. Its totient is φ = 2240195152.

The previous prime is 6720585467. The next prime is 6720585481. The reversal of 6720585468 is 8645850276.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 6720585468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6720585467) 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, 280024383 + ... + 280024406.

It is an arithmetic number, because the mean of its divisors is an integer number (1306780510).

Almost surely, 2^6720585468 is an apocalyptic number.

It is an amenable number.

6720585468 is an abundant number, since it is smaller than the sum of its proper divisors (8960780652).

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

6720585468 is a wasteful number, since it uses less digits than its factorization.

6720585468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560048796 (or 560048794 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The square root of 6720585468 is about 81979.1770390506. The cubic root of 6720585468 is about 1887.1323932903.

The spelling of 6720585468 in words is "six billion, seven hundred twenty million, five hundred eighty-five thousand, four hundred sixty-eight".