9344736728 has 32 divisors (see below), whose sum is σ = 17956073520. Its totient is φ = 4556544000.

The previous prime is 9344736701. The next prime is 9344736733. The reversal of 9344736728 is 8276374439.

It is a self number, because there is not a number n which added to its sum of digits gives 9344736728.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1140968 + ... + 1149128.

Almost surely, 2^9344736728 is an apocalyptic number.

It is an amenable number.

9344736728 is a deficient number, since it is larger than the sum of its proper divisors (8611336792).

9344736728 is a wasteful number, since it uses less digits than its factorization.

9344736728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11699 (or 11695 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 53.

The square root of 9344736728 is about 96668.1784663392. The cubic root of 9344736728 is about 2106.3103257289.

The spelling of 9344736728 in words is "nine billion, three hundred forty-four million, seven hundred thirty-six thousand, seven hundred twenty-eight".