6745974912 has 96 divisors (see below), whose sum is σ = 19437741180. Its totient is φ = 2245705728.

The previous prime is 6745974857. The next prime is 6745974913. The reversal of 6745974912 is 2194795476.

6745974912 is a `hidden beast` number, since 6 + 7 + 4 + 597 + 49 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 6733187136 + 12787776 = 82056^2 + 3576^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (6745974913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 983848 + ... + 990680.

Almost surely, 2^6745974912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6745974912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9718870590).

6745974912 is an abundant number, since it is smaller than the sum of its proper divisors (12691766268).

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

6745974912 is a wasteful number, since it uses less digits than its factorization.

6745974912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7710 (or 7695 counting only the distinct ones).

The product of its digits is 3810240, while the sum is 54.

The square root of 6745974912 is about 82133.8840674176. The cubic root of 6745974912 is about 1889.5058488088.

The spelling of 6745974912 in words is "six billion, seven hundred forty-five million, nine hundred seventy-four thousand, nine hundred twelve".