75005328 has 20 divisors (see below), whose sum is σ = 193763888. Its totient is φ = 25001760.

The previous prime is 75005299. The next prime is 75005341. The reversal of 75005328 is 82350057.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 75005295 and 75005304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781258 + ... + 781353.

Almost surely, 2^75005328 is an apocalyptic number.

It is an amenable number.

75005328 is an abundant number, since it is smaller than the sum of its proper divisors (118758560).

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

75005328 is a wasteful number, since it uses less digits than its factorization.

75005328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562622 (or 1562616 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 75005328 is about 8660.5616446048. The cubic root of 75005328 is about 421.7263186572.

The spelling of 75005328 in words is "seventy-five million, five thousand, three hundred twenty-eight".