6744081378 has 16 divisors (see below), whose sum is σ = 13525738560. Its totient is φ = 2241764496.

The previous prime is 6744081319. The next prime is 6744081433. The reversal of 6744081378 is 8731804476.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1563325 + ... + 1567632.

It is an arithmetic number, because the mean of its divisors is an integer number (845358660).

Almost surely, 2^6744081378 is an apocalyptic number.

6744081378 is an abundant number, since it is smaller than the sum of its proper divisors (6781657182).

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

6744081378 is a wasteful number, since it uses less digits than its factorization.

6744081378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131321.

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 6744081378 is about 82122.3561400914. The cubic root of 6744081378 is about 1889.3290432112.

The spelling of 6744081378 in words is "six billion, seven hundred forty-four million, eighty-one thousand, three hundred seventy-eight".