9169724928 has 480 divisors, whose sum is σ = 32079446784. Its totient is φ = 2266103808.

The previous prime is 9169724923. The next prime is 9169724929. The reversal of 9169724928 is 8294279619.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9169724923) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40395151 + ... + 40395377.

Almost surely, 2^9169724928 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 9169724928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16039723392).

9169724928 is an abundant number, since it is smaller than the sum of its proper divisors (22909721856).

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

9169724928 is a wasteful number, since it uses less digits than its factorization.

9169724928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 269 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 57.

The square root of 9169724928 is about 95758.6806926662. The cubic root of 9169724928 is about 2093.0781111573.

The spelling of 9169724928 in words is "nine billion, one hundred sixty-nine million, seven hundred twenty-four thousand, nine hundred twenty-eight".