75228165 has 24 divisors (see below), whose sum is σ = 134604288. Its totient is φ = 38826720.

The previous prime is 75228149. The next prime is 75228211. The reversal of 75228165 is 56182257.

It is a happy number.

It is not a de Polignac number, because 75228165 - 2⁴ = 75228149 is a prime.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 25569 + ... + 28358.

It is an arithmetic number, because the mean of its divisors is an integer number (5608512).

Almost surely, 2^75228165 is an apocalyptic number.

It is an amenable number.

75228165 is a deficient number, since it is larger than the sum of its proper divisors (59376123).

75228165 is a wasteful number, since it uses less digits than its factorization.

75228165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53969 (or 53966 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 75228165 is about 8673.4171466614. The cubic root of 75228165 is about 422.1435481940.

The spelling of 75228165 in words is "seventy-five million, two hundred twenty-eight thousand, one hundred sixty-five".