75305012 has 12 divisors (see below), whose sum is σ = 133452480. Its totient is φ = 37175736.

The previous prime is 75305003. The next prime is 75305033. The reversal of 75305012 is 21050357.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118838 + ... + 119469.

It is an arithmetic number, because the mean of its divisors is an integer number (11121040).

Almost surely, 2^75305012 is an apocalyptic number.

It is an amenable number.

75305012 is a deficient number, since it is larger than the sum of its proper divisors (58147468).

75305012 is a wasteful number, since it uses less digits than its factorization.

75305012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238390 (or 238388 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 75305012 is about 8677.8460461108. The cubic root of 75305012 is about 422.2872418285.

Adding to 75305012 its reverse (21050357), we get a palindrome (96355369).

The spelling of 75305012 in words is "seventy-five million, three hundred five thousand, twelve".