6747471744 has 128 divisors (see below), whose sum is σ = 19339689600. Its totient is φ = 2072057856.

The previous prime is 6747471743. The next prime is 6747471761. The reversal of 6747471744 is 4471747476.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6747471743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3408547 + ... + 3410525.

It is an arithmetic number, because the mean of its divisors is an integer number (151091325).

Almost surely, 2^6747471744 is an apocalyptic number.

6747471744 is a gapful number since it is divisible by the number (64) 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 6747471744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9669844800).

6747471744 is an abundant number, since it is smaller than the sum of its proper divisors (12592217856).

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

6747471744 is a wasteful number, since it uses less digits than its factorization.

6747471744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2692 (or 2680 counting only the distinct ones).

The product of its digits is 3687936, while the sum is 51.

The square root of 6747471744 is about 82142.9957087030. The cubic root of 6747471744 is about 1889.6455896022.

The spelling of 6747471744 in words is "six billion, seven hundred forty-seven million, four hundred seventy-one thousand, seven hundred forty-four".