9127073920 has 64 divisors (see below), whose sum is σ = 21986173440. Its totient is φ = 3622927360.

The previous prime is 9127073881. The next prime is 9127073929. The reversal of 9127073920 is 293707219.

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

It is a super-2 number, since 2×9127073920² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (9127073929) 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, 29409 + ... + 138271.

It is an arithmetic number, because the mean of its divisors is an integer number (343533960).

Almost surely, 2^9127073920 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 9127073920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10993086720).

9127073920 is an abundant number, since it is smaller than the sum of its proper divisors (12859099520).

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

9127073920 is a wasteful number, since it uses less digits than its factorization.

9127073920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109013 (or 109001 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 9127073920 is about 95535.7206493990. The cubic root of 9127073920 is about 2089.8278988038.

The spelling of 9127073920 in words is "nine billion, one hundred twenty-seven million, seventy-three thousand, nine hundred twenty".