6744176640 has 480 divisors, whose sum is σ = 24830245440. Its totient is φ = 1750007808.

The previous prime is 6744176581. The next prime is 6744176683. The reversal of 6744176640 is 466714476.

It is a tau number, because it is divible by the number of its divisors (480).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38983594 + ... + 38983766.

It is an arithmetic number, because the mean of its divisors is an integer number (51729678).

Almost surely, 2^6744176640 is an apocalyptic number.

6744176640 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 6744176640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12415122720).

6744176640 is an abundant number, since it is smaller than the sum of its proper divisors (18086068800).

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

6744176640 is a wasteful number, since it uses less digits than its factorization.

6744176640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 45.

The square root of 6744176640 is about 82122.9361384504. The cubic root of 6744176640 is about 1889.3379389331.

The spelling of 6744176640 in words is "six billion, seven hundred forty-four million, one hundred seventy-six thousand, six hundred forty".