9112531974 has 128 divisors (see below), whose sum is σ = 23912448000. Its totient is φ = 2247792768.

The previous prime is 9112531937. The next prime is 9112531979. The reversal of 9112531974 is 4791352119.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9112531979) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 813987 + ... + 825105.

It is an arithmetic number, because the mean of its divisors is an integer number (186816000).

Almost surely, 2^9112531974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9112531974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11956224000).

9112531974 is an abundant number, since it is smaller than the sum of its proper divisors (14799916026).

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

9112531974 is a wasteful number, since it uses less digits than its factorization.

9112531974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11242.

The product of its digits is 68040, while the sum is 42.

The square root of 9112531974 is about 95459.5829343498. The cubic root of 9112531974 is about 2088.7174180885.

The spelling of 9112531974 in words is "nine billion, one hundred twelve million, five hundred thirty-one thousand, nine hundred seventy-four".