6745974966 has 48 divisors (see below), whose sum is σ = 15496353600. Its totient is φ = 2114967024.

The previous prime is 6745974913. The next prime is 6745974967. The reversal of 6745974966 is 6694795476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6745974967) 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, 23416 + ... + 118491.

It is an arithmetic number, because the mean of its divisors is an integer number (322840700).

Almost surely, 2^6745974966 is an apocalyptic number.

6745974966 is an abundant number, since it is smaller than the sum of its proper divisors (8750378634).

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

6745974966 is a wasteful number, since it uses less digits than its factorization.

6745974966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142073 (or 142070 counting only the distinct ones).

The product of its digits is 68584320, while the sum is 63.

The square root of 6745974966 is about 82133.8843961492. The cubic root of 6745974966 is about 1889.5058538505.

The spelling of 6745974966 in words is "six billion, seven hundred forty-five million, nine hundred seventy-four thousand, nine hundred sixty-six".