75533028 has 24 divisors (see below), whose sum is σ = 177592800. Its totient is φ = 24984960.

The previous prime is 75533009. The next prime is 75533033. The reversal of 75533028 is 82033557.

It is a self number, because there is not a number n which added to its sum of digits gives 75533028.

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, 22453 + ... + 25596.

It is an arithmetic number, because the mean of its divisors is an integer number (7399700).

Almost surely, 2^75533028 is an apocalyptic number.

It is an amenable number.

75533028 is an abundant number, since it is smaller than the sum of its proper divisors (102059772).

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

75533028 is a wasteful number, since it uses less digits than its factorization.

75533028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48187 (or 48185 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 75533028 is about 8690.9739385181. The cubic root of 75533028 is about 422.7130268000.

The spelling of 75533028 in words is "seventy-five million, five hundred thirty-three thousand, twenty-eight".