4344736728 has 32 divisors (see below), whose sum is σ = 10882641600. Its totient is φ = 1445472288.

The previous prime is 4344736723. The next prime is 4344736751. The reversal of 4344736728 is 8276374434.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4344736723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160518 + ... + 185621.

It is an arithmetic number, because the mean of its divisors is an integer number (340082550).

Almost surely, 2^4344736728 is an apocalyptic number.

It is an amenable number.

4344736728 is an abundant number, since it is smaller than the sum of its proper divisors (6537904872).

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

4344736728 is a wasteful number, since it uses less digits than its factorization.

4344736728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346671 (or 346667 counting only the distinct ones).

The product of its digits is 2709504, while the sum is 48.

The square root of 4344736728 is about 65914.6169525394. The cubic root of 4344736728 is about 1631.7532577036.

The spelling of 4344736728 in words is "four billion, three hundred forty-four million, seven hundred thirty-six thousand, seven hundred twenty-eight".