9161472 has 72 divisors (see below), whose sum is σ = 24855040. Its totient is φ = 2995200.

The previous prime is 9161441. The next prime is 9161473. The reversal of 9161472 is 2741619.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (9161473) 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, 60597 + ... + 60747.

Almost surely, 2^9161472 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 9161472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12427520).

9161472 is an abundant number, since it is smaller than the sum of its proper divisors (15693568).

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

9161472 is a wasteful number, since it uses less digits than its factorization.

9161472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 235 counting only the distinct ones).

The product of its digits is 3024, while the sum is 30.

The square root of 9161472 is about 3026.7923615603. The cubic root of 9161472 is about 209.2449985887.

The spelling of 9161472 in words is "nine million, one hundred sixty-one thousand, four hundred seventy-two".