75225173 has 4 divisors (see below), whose sum is σ = 75928320. Its totient is φ = 74522028.

The previous prime is 75225169. The next prime is 75225191. The reversal of 75225173 is 37152257.

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 75225173 - 2² = 75225169 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 (75225373) 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, 351413 + ... + 351626.

It is an arithmetic number, because the mean of its divisors is an integer number (18982080).

Almost surely, 2^75225173 is an apocalyptic number.

It is an amenable number.

75225173 is a deficient number, since it is larger than the sum of its proper divisors (703147).

75225173 is a wasteful number, since it uses less digits than its factorization.

75225173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703146.

The product of its digits is 14700, while the sum is 32.

The square root of 75225173 is about 8673.2446639075. The cubic root of 75225173 is about 422.1379515745.

The spelling of 75225173 in words is "seventy-five million, two hundred twenty-five thousand, one hundred seventy-three".