6744578880 has 224 divisors, whose sum is σ = 24064959744. Its totient is φ = 1587953664.

The previous prime is 6744578839. The next prime is 6744578881. The reversal of 6744578880 is 888754476.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 6744578880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6744578881) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 275292 + ... + 298788.

It is an arithmetic number, because the mean of its divisors is an integer number (107432856).

Almost surely, 2^6744578880 is an apocalyptic number.

6744578880 is a gapful number since it is divisible by the number (60) 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 6744578880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12032479872).

6744578880 is an abundant number, since it is smaller than the sum of its proper divisors (17320380864).

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

6744578880 is a wasteful number, since it uses less digits than its factorization.

6744578880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23553 (or 23543 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 57.

The square root of 6744578880 is about 82125.3851132523. The cubic root of 6744578880 is about 1889.3754998405.

The spelling of 6744578880 in words is "six billion, seven hundred forty-four million, five hundred seventy-eight thousand, eight hundred eighty".