75205225 has 12 divisors (see below), whose sum is σ = 96263680. Its totient is φ = 58222800.

The previous prime is 75205199. The next prime is 75205241. The reversal of 75205225 is 52250257.

It is not a de Polignac number, because 75205225 - 2⁹ = 75204713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75205193 and 75205202.

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, 47745 + ... + 49294.

Almost surely, 2^75205225 is an apocalyptic number.

It is an amenable number.

75205225 is a deficient number, since it is larger than the sum of its proper divisors (21058455).

75205225 is a wasteful number, since it uses less digits than its factorization.

75205225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97080 (or 97075 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 75205225 is about 8672.0946143363. The cubic root of 75205225 is about 422.1006344905.

The spelling of 75205225 in words is "seventy-five million, two hundred five thousand, two hundred twenty-five".