9742749120 has 448 divisors, whose sum is σ = 37360189440. Its totient is φ = 2375847936.

The previous prime is 9742749103. The next prime is 9742749151. The reversal of 9742749120 is 219472479.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14264299 + ... + 14264981.

It is an arithmetic number, because the mean of its divisors is an integer number (83393280).

Almost surely, 2^9742749120 is an apocalyptic number.

9742749120 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9742749120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18680094720).

9742749120 is an abundant number, since it is smaller than the sum of its proper divisors (27617440320).

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

9742749120 is a wasteful number, since it uses less digits than its factorization.

9742749120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 849 (or 833 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 9742749120 is about 98705.3652037213. The cubic root of 9742749120 is about 2135.7996277135.

The spelling of 9742749120 in words is "nine billion, seven hundred forty-two million, seven hundred forty-nine thousand, one hundred twenty".