75042173 has 4 divisors (see below), whose sum is σ = 75142848. Its totient is φ = 74941500.

The previous prime is 75042119. The next prime is 75042193. The reversal of 75042173 is 37124057.

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.

It is a cyclic number.

It is not a de Polignac number, because 75042173 - 2⁶ = 75042109 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 (75042113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49211 + ... + 50712.

It is an arithmetic number, because the mean of its divisors is an integer number (18785712).

Almost surely, 2^75042173 is an apocalyptic number.

It is an amenable number.

75042173 is a deficient number, since it is larger than the sum of its proper divisors (100675).

75042173 is an equidigital number, since it uses as much as digits as its factorization.

75042173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100674.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 75042173 is about 8662.6885549464. The cubic root of 75042173 is about 421.7953624748.

The spelling of 75042173 in words is "seventy-five million, forty-two thousand, one hundred seventy-three".