6840304764 has 12 divisors (see below), whose sum is σ = 15960711144. Its totient is φ = 2280101584.

The previous prime is 6840304763. The next prime is 6840304787. The reversal of 6840304764 is 4674030486.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6840304763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285012687 + ... + 285012710.

It is an arithmetic number, because the mean of its divisors is an integer number (1330059262).

Almost surely, 2^6840304764 is an apocalyptic number.

It is an amenable number.

6840304764 is an abundant number, since it is smaller than the sum of its proper divisors (9120406380).

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

6840304764 is a wasteful number, since it uses less digits than its factorization.

6840304764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570025404 (or 570025402 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 42.

The square root of 6840304764 is about 82706.1349840506. The cubic root of 6840304764 is about 1898.2721839957.

The spelling of 6840304764 in words is "six billion, eight hundred forty million, three hundred four thousand, seven hundred sixty-four".