75300028 has 6 divisors (see below), whose sum is σ = 131775056. Its totient is φ = 37650012.

The previous prime is 75300019. The next prime is 75300083. The reversal of 75300028 is 82000357.

It is a junction number, because it is equal to n+sod(n) for n = 75299975 and 75300011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9412500 + ... + 9412507.

Almost surely, 2^75300028 is an apocalyptic number.

It is an amenable number.

75300028 is a deficient number, since it is larger than the sum of its proper divisors (56475028).

75300028 is a wasteful number, since it uses less digits than its factorization.

75300028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18825011 (or 18825009 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 75300028 is about 8677.5588733238. The cubic root of 75300028 is about 422.2779253789.

It can be divided in two parts, 7 and 5300028, that added together give a palindrome (5300035).

The spelling of 75300028 in words is "seventy-five million, three hundred thousand, twenty-eight".