75112493 has 4 divisors (see below), whose sum is σ = 75322080. Its totient is φ = 74902908.

The previous prime is 75112483. The next prime is 75112507. The reversal of 75112493 is 39421157.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 39421157 = 4733 ⋅8329.

It is a cyclic number.

It is not a de Polignac number, because 75112493 - 2⁸ = 75112237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75112463) by changing a digit.

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, 104255 + ... + 104972.

It is an arithmetic number, because the mean of its divisors is an integer number (18830520).

Almost surely, 2^75112493 is an apocalyptic number.

It is an amenable number.

75112493 is a deficient number, since it is larger than the sum of its proper divisors (209587).

75112493 is a wasteful number, since it uses less digits than its factorization.

75112493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209586.

The product of its digits is 7560, while the sum is 32.

The square root of 75112493 is about 8666.7463906590. The cubic root of 75112493 is about 421.9270723689.

The spelling of 75112493 in words is "seventy-five million, one hundred twelve thousand, four hundred ninety-three".