6872805706 has 32 divisors (see below), whose sum is σ = 11331680976. Its totient is φ = 3106944000.

The previous prime is 6872805701. The next prime is 6872805749. The reversal of 6872805706 is 6075082786.

It can be written as a sum of positive squares in 8 ways, for example, as 3368757681 + 3504048025 = 58041^2 + 59195^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6872805706.

It is not an unprimeable number, because it can be changed into a prime (6872805701) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373236 + ... + 391216.

Almost surely, 2^6872805706 is an apocalyptic number.

6872805706 is a deficient number, since it is larger than the sum of its proper divisors (4458875270).

6872805706 is a wasteful number, since it uses less digits than its factorization.

6872805706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18298.

The product of its (nonzero) digits is 1128960, while the sum is 49.

The square root of 6872805706 is about 82902.3866122080. The cubic root of 6872805706 is about 1901.2739107752.

The spelling of 6872805706 in words is "six billion, eight hundred seventy-two million, eight hundred five thousand, seven hundred six".