6840000072 has 64 divisors (see below), whose sum is σ = 19007121600. Its totient is φ = 2279145600.

The previous prime is 6840000043. The next prime is 6840000113. The reversal of 6840000072 is 2700000486.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 871108 + ... + 878924.

It is an arithmetic number, because the mean of its divisors is an integer number (296986275).

Almost surely, 2^6840000072 is an apocalyptic number.

It is an amenable number.

6840000072 is an abundant number, since it is smaller than the sum of its proper divisors (12167121528).

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

6840000072 is a wasteful number, since it uses less digits than its factorization.

6840000072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11883 (or 11873 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 6840000072 is about 82704.2929478271. The cubic root of 6840000072 is about 1898.2439982664.

The spelling of 6840000072 in words is "six billion, eight hundred forty million, seventy-two", and thus it is an aban number.