75030430 has 16 divisors (see below), whose sum is σ = 142163280. Its totient is φ = 28432512.

The previous prime is 75030421. The next prime is 75030479. The reversal of 75030430 is 3403057.

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, 197259 + ... + 197638.

It is an arithmetic number, because the mean of its divisors is an integer number (8885205).

Almost surely, 2^75030430 is an apocalyptic number.

75030430 is a deficient number, since it is larger than the sum of its proper divisors (67132850).

75030430 is a wasteful number, since it uses less digits than its factorization.

75030430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394923.

The product of its (nonzero) digits is 1260, while the sum is 22.

The square root of 75030430 is about 8662.0107365438. The cubic root of 75030430 is about 421.7733597301.

Adding to 75030430 its reverse (3403057), we get a palindrome (78433487).

The spelling of 75030430 in words is "seventy-five million, thirty thousand, four hundred thirty".