75389568 has 64 divisors (see below), whose sum is σ = 210813600. Its totient is φ = 23804928.

The previous prime is 75389557. The next prime is 75389591. The reversal of 75389568 is 86598357.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 75389568.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2130 + ... + 12462.

Almost surely, 2^75389568 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 75389568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105406800).

75389568 is an abundant number, since it is smaller than the sum of its proper divisors (135424032).

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

75389568 is a wasteful number, since it uses less digits than its factorization.

75389568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10369 (or 10357 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 51.

The square root of 75389568 is about 8682.7166255729. The cubic root of 75389568 is about 422.4452373498.

It can be divided in two parts, 75389 and 568, that added together give a palindrome (75957).

The spelling of 75389568 in words is "seventy-five million, three hundred eighty-nine thousand, five hundred sixty-eight".