9171072 has 96 divisors (see below), whose sum is σ = 27846000. Its totient is φ = 2889216.

The previous prime is 9171061. The next prime is 9171119. The reversal of 9171072 is 2701719.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21679 + ... + 22097.

Almost surely, 2^9171072 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 9171072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13923000).

9171072 is an abundant number, since it is smaller than the sum of its proper divisors (18674928).

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

9171072 is a wasteful number, since it uses less digits than its factorization.

9171072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458 (or 443 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 9171072 is about 3028.3777835666. The cubic root of 9171072 is about 209.3180600195.

The spelling of 9171072 in words is "nine million, one hundred seventy-one thousand, seventy-two".