6745953312 has 144 divisors (see below), whose sum is σ = 22022425152. Its totient is φ = 1918794240.

The previous prime is 6745953301. The next prime is 6745953323. The reversal of 6745953312 is 2133595476.

6745953312 is a `hidden beast` number, since 67 + 4 + 59 + 533 + 1 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (6745953301) and next prime (6745953323).

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 450262 + ... + 465002.

It is an arithmetic number, because the mean of its divisors is an integer number (152933508).

Almost surely, 2^6745953312 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 6745953312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11011212576).

6745953312 is an abundant number, since it is smaller than the sum of its proper divisors (15276471840).

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

6745953312 is a wasteful number, since it uses less digits than its factorization.

6745953312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14991 (or 14980 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 6745953312 is about 82133.7525746876. The cubic root of 6745953312 is about 1889.5038321312.

The spelling of 6745953312 in words is "six billion, seven hundred forty-five million, nine hundred fifty-three thousand, three hundred twelve".