6873712640 has 48 divisors (see below), whose sum is σ = 16492907340. Its totient is φ = 2749480960.

The previous prime is 6873712511. The next prime is 6873712673. The reversal of 6873712640 is 462173786.

It can be written as a sum of positive squares in 2 ways, for example, as 6726624256 + 147088384 = 82016^2 + 12128^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6873712591 and 6873712600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 325391 + ... + 345870.

Almost surely, 2^6873712640 is an apocalyptic number.

It is an amenable number.

6873712640 is an abundant number, since it is smaller than the sum of its proper divisors (9619194700).

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

6873712640 is an equidigital number, since it uses as much as digits as its factorization.

6873712640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671288 (or 671268 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 6873712640 is about 82907.8563225464. The cubic root of 6873712640 is about 1901.3575376657.

The spelling of 6873712640 in words is "six billion, eight hundred seventy-three million, seven hundred twelve thousand, six hundred forty".