6744449976 has 96 divisors (see below), whose sum is σ = 18645621120. Its totient is φ = 2031388480.

The previous prime is 6744449951. The next prime is 6744449977. The reversal of 6744449976 is 6799444476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6744449977) by changing a digit.

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, 478015 + ... + 491921.

It is an arithmetic number, because the mean of its divisors is an integer number (194225220).

Almost surely, 2^6744449976 is an apocalyptic number.

6744449976 is a gapful number since it is divisible by the number (66) 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 6744449976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9322810560).

6744449976 is an abundant number, since it is smaller than the sum of its proper divisors (11901171144).

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

6744449976 is a wasteful number, since it uses less digits than its factorization.

6744449976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14105 (or 14090 counting only the distinct ones).

The product of its digits is 36578304, while the sum is 60.

The square root of 6744449976 is about 82124.6003095297. The cubic root of 6744449976 is about 1889.3634630321.

The spelling of 6744449976 in words is "six billion, seven hundred forty-four million, four hundred forty-nine thousand, nine hundred seventy-six".