75175138 has 8 divisors (see below), whose sum is σ = 112964688. Its totient is φ = 37520244.

The previous prime is 75175123. The next prime is 75175141. The reversal of 75175138 is 83157157.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 75175097 and 75175106.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 32256 + ... + 34507.

It is an arithmetic number, because the mean of its divisors is an integer number (14120586).

Almost surely, 2^75175138 is an apocalyptic number.

75175138 is a deficient number, since it is larger than the sum of its proper divisors (37789550).

75175138 is a wasteful number, since it uses less digits than its factorization.

75175138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67328.

The product of its digits is 29400, while the sum is 37.

The square root of 75175138 is about 8670.3597387882. The cubic root of 75175138 is about 422.0443377117.

The spelling of 75175138 in words is "seventy-five million, one hundred seventy-five thousand, one hundred thirty-eight".