9071043072 has 480 divisors, whose sum is σ = 30930020352. Its totient is φ = 2341011456.

The previous prime is 9071043031. The next prime is 9071043089. The reversal of 9071043072 is 2703401709.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71425473 + ... + 71425599.

Almost surely, 2^9071043072 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 9071043072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15465010176).

9071043072 is an abundant number, since it is smaller than the sum of its proper divisors (21858977280).

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

9071043072 is a wasteful number, since it uses less digits than its factorization.

9071043072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 9071043072 is about 95242.0236660268. The cubic root of 9071043072 is about 2085.5426530653.

The spelling of 9071043072 in words is "nine billion, seventy-one million, forty-three thousand, seventy-two".