75330030 has 16 divisors (see below), whose sum is σ = 180792144. Its totient is φ = 20088000.

The previous prime is 75330019. The next prime is 75330071. The reversal of 75330030 is 3003357.

It is a super-2 number, since 2×75330030² = 11349226839601800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75329979 and 75330006.

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 in 7 ways as a sum of consecutive naturals, for example, 1255471 + ... + 1255530.

It is an arithmetic number, because the mean of its divisors is an integer number (11299509).

Almost surely, 2^75330030 is an apocalyptic number.

75330030 is an abundant number, since it is smaller than the sum of its proper divisors (105462114).

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

75330030 is a wasteful number, since it uses less digits than its factorization.

75330030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511011.

The product of its (nonzero) digits is 945, while the sum is 21.

The square root of 75330030 is about 8679.2874131463. The cubic root of 75330030 is about 422.3340010556.

Adding to 75330030 its reverse (3003357), we get a palindrome (78333387).

The spelling of 75330030 in words is "seventy-five million, three hundred thirty thousand, thirty".