6744440744 has 16 divisors (see below), whose sum is σ = 12646860000. Its totient is φ = 3371944752.

The previous prime is 6744440743. The next prime is 6744440761. The reversal of 6744440744 is 4470444476.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 6744440695 and 6744440704.

It is not an unprimeable number, because it can be changed into a prime (6744440743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100757 + ... + 153755.

It is an arithmetic number, because the mean of its divisors is an integer number (790428750).

Almost surely, 2^6744440744 is an apocalyptic number.

It is an amenable number.

6744440744 is a deficient number, since it is larger than the sum of its proper divisors (5902419256).

6744440744 is a wasteful number, since it uses less digits than its factorization.

6744440744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68912 (or 68908 counting only the distinct ones).

The product of its (nonzero) digits is 1204224, while the sum is 44.

The square root of 6744440744 is about 82124.5441022354. The cubic root of 6744440744 is about 1889.3626009598.

The spelling of 6744440744 in words is "six billion, seven hundred forty-four million, four hundred forty thousand, seven hundred forty-four".