2743347728 has 80 divisors (see below), whose sum is σ = 6016376832. Its totient is φ = 1200528000.

The previous prime is 2743347709. The next prime is 2743347743. The reversal of 2743347728 is 8277433472.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1150025 + ... + 1152407.

Almost surely, 2^2743347728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2743347728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3008188416).

2743347728 is an abundant number, since it is smaller than the sum of its proper divisors (3273029104).

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

2743347728 is a wasteful number, since it uses less digits than its factorization.

2743347728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2644 (or 2638 counting only the distinct ones).

The product of its digits is 1580544, while the sum is 47.

The square root of 2743347728 is about 52376.9770796292. The cubic root of 2743347728 is about 1399.8890605969.

The spelling of 2743347728 in words is "two billion, seven hundred forty-three million, three hundred forty-seven thousand, seven hundred twenty-eight".