6810721674 has 16 divisors (see below), whose sum is σ = 13626563808. Its totient is φ = 2269387152.

The previous prime is 6810721663. The next prime is 6810721691. The reversal of 6810721674 is 4761270186.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195952 + ... + 228075.

It is an arithmetic number, because the mean of its divisors is an integer number (851660238).

Almost surely, 2^6810721674 is an apocalyptic number.

6810721674 is an abundant number, since it is smaller than the sum of its proper divisors (6815842134).

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

6810721674 is a wasteful number, since it uses less digits than its factorization.

6810721674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426709.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 6810721674 is about 82527.0966046910. The cubic root of 6810721674 is about 1895.5316673160.

The spelling of 6810721674 in words is "six billion, eight hundred ten million, seven hundred twenty-one thousand, six hundred seventy-four".