6784936420 has 24 divisors (see below), whose sum is σ = 14633459064. Its totient is φ = 2640623616.

The previous prime is 6784936397. The next prime is 6784936469. The reversal of 6784936420 is 246394876.

It can be written as a sum of positive squares in 4 ways, for example, as 4422782016 + 2362154404 = 66504^2 + 48602^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4583677 + ... + 4585156.

It is an arithmetic number, because the mean of its divisors is an integer number (609727461).

Almost surely, 2^6784936420 is an apocalyptic number.

It is an amenable number.

6784936420 is an abundant number, since it is smaller than the sum of its proper divisors (7848522644).

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

6784936420 is a wasteful number, since it uses less digits than its factorization.

6784936420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9168879 (or 9168877 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 49.

The square root of 6784936420 is about 82370.7255036642. The cubic root of 6784936420 is about 1893.1364939378.

The spelling of 6784936420 in words is "six billion, seven hundred eighty-four million, nine hundred thirty-six thousand, four hundred twenty".