75112538 has 4 divisors (see below), whose sum is σ = 112668810. Its totient is φ = 37556268.

The previous prime is 75112507. The next prime is 75112573. The reversal of 75112538 is 83521157.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83521157 = 83 ⋅1006279.

It can be written as a sum of positive squares in only one way, i.e., 73324969 + 1787569 = 8563^2 + 1337^2 .

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 as a sum of consecutive naturals, namely, 18778133 + ... + 18778136.

Almost surely, 2^75112538 is an apocalyptic number.

75112538 is a deficient number, since it is larger than the sum of its proper divisors (37556272).

75112538 is a wasteful number, since it uses less digits than its factorization.

75112538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37556271.

The product of its digits is 8400, while the sum is 32.

The square root of 75112538 is about 8666.7489867885. The cubic root of 75112538 is about 421.9271566279.

The spelling of 75112538 in words is "seventy-five million, one hundred twelve thousand, five hundred thirty-eight".