6723885456 has 30 divisors (see below), whose sum is σ = 18817540950. Its totient is φ = 2241295104.

The previous prime is 6723885403. The next prime is 6723885473. The reversal of 6723885456 is 6545883276.

6723885456 is a `hidden beast` number, since 67 + 2 + 38 + 8 + 545 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6464160000 + 259725456 = 80400^2 + 16116^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23346681 + ... + 23346968.

It is an arithmetic number, because the mean of its divisors is an integer number (627251365).

Almost surely, 2^6723885456 is an apocalyptic number.

It is an amenable number.

6723885456 is an abundant number, since it is smaller than the sum of its proper divisors (12093655494).

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

6723885456 is a wasteful number, since it uses less digits than its factorization.

6723885456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46693663 (or 46693654 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The square root of 6723885456 is about 81999.3015580011. The cubic root of 6723885456 is about 1887.4412203148.

The spelling of 6723885456 in words is "six billion, seven hundred twenty-three million, eight hundred eighty-five thousand, four hundred fifty-six".