9746192640 has 144 divisors (see below), whose sum is σ = 31230815616. Its totient is φ = 2590310400.

The previous prime is 9746192629. The next prime is 9746192663. The reversal of 9746192640 is 462916479.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 9746192640.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1190160 + ... + 1198320.

It is an arithmetic number, because the mean of its divisors is an integer number (216880664).

Almost surely, 2^9746192640 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 9746192640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15615407808).

9746192640 is an abundant number, since it is smaller than the sum of its proper divisors (21484622976).

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

9746192640 is a wasteful number, since it uses less digits than its factorization.

9746192640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8496 (or 8482 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 9746192640 is about 98722.8070913707. The cubic root of 9746192640 is about 2136.0512268711.

The spelling of 9746192640 in words is "nine billion, seven hundred forty-six million, one hundred ninety-two thousand, six hundred forty".