6840005732 has 24 divisors (see below), whose sum is σ = 13687404864. Its totient is φ = 2929846752.

The previous prime is 6840005693. The next prime is 6840005749. The reversal of 6840005732 is 2375000486.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6840005692 and 6840005701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12518 + ... + 117629.

It is an arithmetic number, because the mean of its divisors is an integer number (570308536).

Almost surely, 2^6840005732 is an apocalyptic number.

It is an amenable number.

6840005732 is an abundant number, since it is smaller than the sum of its proper divisors (6847399132).

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

6840005732 is a wasteful number, since it uses less digits than its factorization.

6840005732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132035 (or 132033 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 6840005732 is about 82704.3271661163. The cubic root of 6840005732 is about 1898.2445218559.

The spelling of 6840005732 in words is "six billion, eight hundred forty million, five thousand, seven hundred thirty-two".