9742749888 has 56 divisors (see below), whose sum is σ = 25804733760. Its totient is φ = 3244176640.

The previous prime is 9742749713. The next prime is 9742749889. The reversal of 9742749888 is 8889472479.

It is not an unprimeable number, because it can be changed into a prime (9742749889) 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, 160303 + ... + 212561.

Almost surely, 2^9742749888 is an apocalyptic number.

It is an amenable number.

9742749888 is an abundant number, since it is smaller than the sum of its proper divisors (16061983872).

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

9742749888 is a wasteful number, since it uses less digits than its factorization.

9742749888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53245 (or 53235 counting only the distinct ones).

The product of its digits is 65028096, while the sum is 66.

The square root of 9742749888 is about 98705.3690940873. The cubic root of 9742749888 is about 2135.7996838337.

The spelling of 9742749888 in words is "nine billion, seven hundred forty-two million, seven hundred forty-nine thousand, eight hundred eighty-eight".