6744374928 has 100 divisors (see below), whose sum is σ = 19597099500. Its totient is φ = 2239266816.

The previous prime is 6744374927. The next prime is 6744374941. The reversal of 6744374928 is 8294734476.

It can be written as a sum of positive squares in 2 ways, for example, as 4837480704 + 1906894224 = 69552^2 + 43668^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (6744374927) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 322948 + ... + 343196.

It is an arithmetic number, because the mean of its divisors is an integer number (195970995).

Almost surely, 2^6744374928 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 6744374928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9798549750).

6744374928 is an abundant number, since it is smaller than the sum of its proper divisors (12852724572).

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

6744374928 is a wasteful number, since it uses less digits than its factorization.

6744374928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20526 (or 20511 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The square root of 6744374928 is about 82124.1433927928. The cubic root of 6744374928 is about 1889.3564551231.

The spelling of 6744374928 in words is "six billion, seven hundred forty-four million, three hundred seventy-four thousand, nine hundred twenty-eight".