6705542864 has 40 divisors (see below), whose sum is σ = 13503882720. Its totient is φ = 3221769600.

The previous prime is 6705542863. The next prime is 6705542867. The reversal of 6705542864 is 4682455076.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6705542863) 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 7 ways as a sum of consecutive naturals, for example, 63659 + ... + 132149.

It is an arithmetic number, because the mean of its divisors is an integer number (337597068).

Almost surely, 2^6705542864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6705542864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6751941360).

6705542864 is an abundant number, since it is smaller than the sum of its proper divisors (6798339856).

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

6705542864 is a wasteful number, since it uses less digits than its factorization.

6705542864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68739 (or 68733 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 47.

The square root of 6705542864 is about 81887.3791496590. The cubic root of 6705542864 is about 1885.7233597316.

The spelling of 6705542864 in words is "six billion, seven hundred five million, five hundred forty-two thousand, eight hundred sixty-four".