6873640436 has 48 divisors (see below), whose sum is σ = 13983580800. Its totient is φ = 2929863552.

The previous prime is 6873640421. The next prime is 6873640441. The reversal of 6873640436 is 6340463786.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64406 + ... + 133773.

It is an arithmetic number, because the mean of its divisors is an integer number (291324600).

Almost surely, 2^6873640436 is an apocalyptic number.

It is an amenable number.

6873640436 is an abundant number, since it is smaller than the sum of its proper divisors (7109940364).

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

6873640436 is a wasteful number, since it uses less digits than its factorization.

6873640436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198248 (or 198246 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 47.

The square root of 6873640436 is about 82907.4208741292. The cubic root of 6873640436 is about 1901.3508801233.

The spelling of 6873640436 in words is "six billion, eight hundred seventy-three million, six hundred forty thousand, four hundred thirty-six".