6966721674 has 48 divisors (see below), whose sum is σ = 16511118624. Its totient is φ = 2105445600.

The previous prime is 6966721673. The next prime is 6966721679. The reversal of 6966721674 is 4761276696.

It is a self number, because there is not a number n which added to its sum of digits gives 6966721674.

It is not an unprimeable number, because it can be changed into a prime (6966721673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26689 + ... + 121019.

It is an arithmetic number, because the mean of its divisors is an integer number (343981638).

Almost surely, 2^6966721674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6966721674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8255559312).

6966721674 is an abundant number, since it is smaller than the sum of its proper divisors (9544396950).

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

6966721674 is a wasteful number, since it uses less digits than its factorization.

6966721674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94723 (or 94720 counting only the distinct ones).

The product of its digits is 4572288, while the sum is 54.

The square root of 6966721674 is about 83466.8896868692. The cubic root of 6966721674 is about 1909.8949782811.

The spelling of 6966721674 in words is "six billion, nine hundred sixty-six million, seven hundred twenty-one thousand, six hundred seventy-four".