3253742728 has 16 divisors (see below), whose sum is σ = 6117396480. Its totient is φ = 1622437008.

The previous prime is 3253742711. The next prime is 3253742729. The reversal of 3253742728 is 8272473523.

It is not an unprimeable number, because it can be changed into a prime (3253742729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 551176 + ... + 557047.

It is an arithmetic number, because the mean of its divisors is an integer number (382337280).

Almost surely, 2^3253742728 is an apocalyptic number.

It is an amenable number.

3253742728 is a deficient number, since it is larger than the sum of its proper divisors (2863653752).

3253742728 is a wasteful number, since it uses less digits than its factorization.

3253742728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1108596 (or 1108592 counting only the distinct ones).

The product of its digits is 564480, while the sum is 43.

The square root of 3253742728 is about 57041.5877058134. The cubic root of 3253742728 is about 1481.8164220719.

The spelling of 3253742728 in words is "three billion, two hundred fifty-three million, seven hundred forty-two thousand, seven hundred twenty-eight".