6475775744 has 72 divisors (see below), whose sum is σ = 13231874880. Its totient is φ = 3161919488.

The previous prime is 6475775743. The next prime is 6475775753. The reversal of 6475775744 is 4475775746.

It is a zygodrome in base 2.

It is a self number, because there is not a number n which added to its sum of digits gives 6475775744.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6475775743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3241754 + ... + 3243750.

It is an arithmetic number, because the mean of its divisors is an integer number (183776040).

Almost surely, 2^6475775744 is an apocalyptic number.

6475775744 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6475775744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6615937440).

6475775744 is an abundant number, since it is smaller than the sum of its proper divisors (6756099136).

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

6475775744 is a wasteful number, since it uses less digits than its factorization.

6475775744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2305 (or 2291 counting only the distinct ones).

The product of its digits is 23049600, while the sum is 56.

The square root of 6475775744 is about 80472.2047914682. The cubic root of 6475775744 is about 1863.9342999064.

The spelling of 6475775744 in words is "six billion, four hundred seventy-five million, seven hundred seventy-five thousand, seven hundred forty-four".