75230225 has 12 divisors (see below), whose sum is σ = 106612224. Its totient is φ = 51586320.

The previous prime is 75230209. The next prime is 75230279. The reversal of 75230225 is 52203257.

It is not a de Polignac number, because 75230225 - 2⁴ = 75230209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 75230194 and 75230203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214769 + ... + 215118.

It is an arithmetic number, because the mean of its divisors is an integer number (8884352).

Almost surely, 2^75230225 is an apocalyptic number.

It is an amenable number.

75230225 is a deficient number, since it is larger than the sum of its proper divisors (31381999).

75230225 is a wasteful number, since it uses less digits than its factorization.

75230225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429904 (or 429899 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 75230225 is about 8673.5358995049. The cubic root of 75230225 is about 422.1474013952.

The spelling of 75230225 in words is "seventy-five million, two hundred thirty thousand, two hundred twenty-five".