9843739074 has 96 divisors (see below), whose sum is σ = 23662679040. Its totient is φ = 2937845376.

The previous prime is 9843739057. The next prime is 9843739099. The reversal of 9843739074 is 4709373489.

It is a self number, because there is not a number n which added to its sum of digits gives 9843739074.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3106639 + ... + 3109805.

It is an arithmetic number, because the mean of its divisors is an integer number (246486240).

Almost surely, 2^9843739074 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9843739074, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11831339520).

9843739074 is an abundant number, since it is smaller than the sum of its proper divisors (13818939966).

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

9843739074 is a wasteful number, since it uses less digits than its factorization.

9843739074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584 (or 3581 counting only the distinct ones).

The product of its (nonzero) digits is 4572288, while the sum is 54.

The square root of 9843739074 is about 99215.6191030424. The cubic root of 9843739074 is about 2143.1539276516.

The spelling of 9843739074 in words is "nine billion, eight hundred forty-three million, seven hundred thirty-nine thousand, seventy-four".