9290723968 has 64 divisors (see below), whose sum is σ = 20154996000. Its totient is φ = 4249082880.

The previous prime is 9290723951. The next prime is 9290723969. The reversal of 9290723968 is 8693270929.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (9290723969) 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, 4663 + ... + 136393.

Almost surely, 2^9290723968 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 9290723968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10077498000).

9290723968 is an abundant number, since it is smaller than the sum of its proper divisors (10864272032).

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

9290723968 is a wasteful number, since it uses less digits than its factorization.

9290723968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131793 (or 131781 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 55.

The square root of 9290723968 is about 96388.4016259218. The cubic root of 9290723968 is about 2102.2443102077.

The spelling of 9290723968 in words is "nine billion, two hundred ninety million, seven hundred twenty-three thousand, nine hundred sixty-eight".