6734871684 has 120 divisors (see below), whose sum is σ = 18436195008. Its totient is φ = 2139825600.

The previous prime is 6734871673. The next prime is 6734871697. The reversal of 6734871684 is 4861784376.

6734871684 is a `hidden beast` number, since 6 + 73 + 487 + 16 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 6734871684.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2360859 + ... + 2363709.

Almost surely, 2^6734871684 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 6734871684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9218097504).

6734871684 is an abundant number, since it is smaller than the sum of its proper divisors (11701323324).

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

6734871684 is a wasteful number, since it uses less digits than its factorization.

6734871684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207 (or 3196 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 6734871684 is about 82066.2639822235. The cubic root of 6734871684 is about 1888.4686310505.

The spelling of 6734871684 in words is "six billion, seven hundred thirty-four million, eight hundred seventy-one thousand, six hundred eighty-four".