75303328 has 24 divisors (see below), whose sum is σ = 148457988. Its totient is φ = 37599744.

The previous prime is 75303317. The next prime is 75303329. The reversal of 75303328 is 82330357.

It can be written as a sum of positive squares in 2 ways, for example, as 74857104 + 446224 = 8652^2 + 668^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75303328.

It is not an unprimeable number, because it can be changed into a prime (75303329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33900 + ... + 36052.

Almost surely, 2^75303328 is an apocalyptic number.

It is an amenable number.

75303328 is a deficient number, since it is larger than the sum of its proper divisors (73154660).

75303328 is a wasteful number, since it uses less digits than its factorization.

75303328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3256 (or 3248 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 75303328 is about 8677.7490168822. The cubic root of 75303328 is about 422.2840940211.

The spelling of 75303328 in words is "seventy-five million, three hundred three thousand, three hundred twenty-eight".