75133112 has 8 divisors (see below), whose sum is σ = 140874600. Its totient is φ = 37566552.

The previous prime is 75133109. The next prime is 75133117. The reversal of 75133112 is 21133157.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75133117) 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 as a sum of consecutive naturals, namely, 4695812 + ... + 4695827.

It is an arithmetic number, because the mean of its divisors is an integer number (17609325).

Almost surely, 2^75133112 is an apocalyptic number.

It is an amenable number.

75133112 is a deficient number, since it is larger than the sum of its proper divisors (65741488).

75133112 is a wasteful number, since it uses less digits than its factorization.

75133112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9391645 (or 9391641 counting only the distinct ones).

The product of its digits is 630, while the sum is 23.

The square root of 75133112 is about 8667.9358557848. The cubic root of 75133112 is about 421.9656763261.

Adding to 75133112 its reverse (21133157), we get a palindrome (96266269).

The spelling of 75133112 in words is "seventy-five million, one hundred thirty-three thousand, one hundred twelve".