30050075 has 24 divisors (see below), whose sum is σ = 42425856. Its totient is φ = 20900000.

The previous prime is 30050071. The next prime is 30050087. The reversal of 30050075 is 57005003.

It is not a de Polignac number, because 30050075 - 2² = 30050071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30050071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3950 + ... + 8700.

It is an arithmetic number, because the mean of its divisors is an integer number (1767744).

Almost surely, 2^30050075 is an apocalyptic number.

30050075 is a deficient number, since it is larger than the sum of its proper divisors (12375781).

30050075 is a wasteful number, since it uses less digits than its factorization.

30050075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4795 (or 4790 counting only the distinct ones).

The product of its (nonzero) digits is 525, while the sum is 20.

The square root of 30050075 is about 5481.7948702957. The cubic root of 30050075 is about 310.8960374585.

Adding to 30050075 its reverse (57005003), we get a palindrome (87055078).

The spelling of 30050075 in words is "thirty million, fifty thousand, seventy-five".