9172480 has 40 divisors (see below), whose sum is σ = 21998592. Its totient is φ = 3667968.

The previous prime is 9172463. The next prime is 9172481. The reversal of 9172480 is 842719.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9172481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 769 + ... + 4351.

Almost surely, 2^9172480 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 9172480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10999296).

9172480 is an abundant number, since it is smaller than the sum of its proper divisors (12826112).

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

9172480 is an equidigital number, since it uses as much as digits as its factorization.

9172480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606 (or 3590 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 9172480 is about 3028.6102423389. The cubic root of 9172480 is about 209.3287714081.

The spelling of 9172480 in words is "nine million, one hundred seventy-two thousand, four hundred eighty".