75530828 has 12 divisors (see below), whose sum is σ = 132483120. Its totient is φ = 37678512.

The previous prime is 75530821. The next prime is 75530839. The reversal of 75530828 is 82803557.

It is a junction number, because it is equal to n+sod(n) for n = 75530791 and 75530800.

It is not an unprimeable number, because it can be changed into a prime (75530821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19751 + ... + 23262.

It is an arithmetic number, because the mean of its divisors is an integer number (11040260).

Almost surely, 2^75530828 is an apocalyptic number.

It is an amenable number.

75530828 is a deficient number, since it is larger than the sum of its proper divisors (56952292).

75530828 is a wasteful number, since it uses less digits than its factorization.

75530828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43456 (or 43454 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 38.

The square root of 75530828 is about 8690.8473695032. The cubic root of 75530828 is about 422.7089227336.

The spelling of 75530828 in words is "seventy-five million, five hundred thirty thousand, eight hundred twenty-eight".