9741385728 has 360 divisors, whose sum is σ = 30960882960. Its totient is φ = 3025797120.

The previous prime is 9741385711. The next prime is 9741385817. The reversal of 9741385728 is 8275831479.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 159694818 + ... + 159694878.

Almost surely, 2^9741385728 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 9741385728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15480441480).

9741385728 is an abundant number, since it is smaller than the sum of its proper divisors (21219497232).

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

9741385728 is an equidigital number, since it uses as much as digits as its factorization.

9741385728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 85 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 9741385728 is about 98698.4585897875. The cubic root of 9741385728 is about 2135.6999957400.

The spelling of 9741385728 in words is "nine billion, seven hundred forty-one million, three hundred eighty-five thousand, seven hundred twenty-eight".