8975520 has 144 divisors (see below), whose sum is σ = 32078592. Its totient is φ = 2280960.

The previous prime is 8975503. The next prime is 8975531. The reversal of 8975520 is 255798.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32985 + ... + 33255.

It is an arithmetic number, because the mean of its divisors is an integer number (222768).

Almost surely, 2^8975520 is an apocalyptic number.

8975520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8975520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16039296).

8975520 is an abundant number, since it is smaller than the sum of its proper divisors (23103072).

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

8975520 is a wasteful number, since it uses less digits than its factorization.

8975520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 304 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 36.

The square root of 8975520 is about 2995.9172218204. The cubic root of 8975520 is about 207.8196167876.

The spelling of 8975520 in words is "eight million, nine hundred seventy-five thousand, five hundred twenty".