2749834728 has 96 divisors (see below), whose sum is σ = 7896994560. Its totient is φ = 861442560.

The previous prime is 2749834697. The next prime is 2749834729. The reversal of 2749834728 is 8274389472.

It is a happy number.

2749834728 is a `hidden beast` number, since 274 + 9 + 8 + 347 + 28 = 666.

It is not an unprimeable number, because it can be changed into a prime (2749834729) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1211851 + ... + 1214117.

It is an arithmetic number, because the mean of its divisors is an integer number (82260360).

Almost surely, 2^2749834728 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 2749834728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3948497280).

2749834728 is an abundant number, since it is smaller than the sum of its proper divisors (5147159832).

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

2749834728 is a wasteful number, since it uses less digits than its factorization.

2749834728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287 (or 3280 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The square root of 2749834728 is about 52438.8665781403. The cubic root of 2749834728 is about 1400.9915981809.

It can be divided in two parts, 27498 and 34728, that added together give a palindrome (62226).

The spelling of 2749834728 in words is "two billion, seven hundred forty-nine million, eight hundred thirty-four thousand, seven hundred twenty-eight".