6840005730 has 16 divisors (see below), whose sum is σ = 16416013824. Its totient is φ = 1824001520.

The previous prime is 6840005693. The next prime is 6840005749. The reversal of 6840005730 is 375000486.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 6840005691 and 6840005700.

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, 114000066 + ... + 114000125.

It is an arithmetic number, because the mean of its divisors is an integer number (1026000864).

Almost surely, 2^6840005730 is an apocalyptic number.

6840005730 is an abundant number, since it is smaller than the sum of its proper divisors (9576008094).

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

6840005730 is a wasteful number, since it uses less digits than its factorization.

6840005730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228000201.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 6840005730 is about 82704.3271540250. The cubic root of 6840005730 is about 1898.2445216709.

The spelling of 6840005730 in words is "six billion, eight hundred forty million, five thousand, seven hundred thirty".