75990528 has 160 divisors (see below), whose sum is σ = 235699200. Its totient is φ = 24127488.

The previous prime is 75990491. The next prime is 75990533. The reversal of 75990528 is 82509957.

It is a happy number.

75990528 is a `hidden beast` number, since 7 + 599 + 0 + 52 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 317833 + ... + 318071.

It is an arithmetic number, because the mean of its divisors is an integer number (1473120).

Almost surely, 2^75990528 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 75990528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117849600).

75990528 is an abundant number, since it is smaller than the sum of its proper divisors (159708672).

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

75990528 is a wasteful number, since it uses less digits than its factorization.

75990528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 267 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

The square root of 75990528 is about 8717.2546136958. The cubic root of 75990528 is about 423.5647604483.

The spelling of 75990528 in words is "seventy-five million, nine hundred ninety thousand, five hundred twenty-eight".