75225993 has 8 divisors (see below), whose sum is σ = 101945856. Its totient is φ = 49328400.

The previous prime is 75225979. The next prime is 75226001. The reversal of 75225993 is 39952257.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75225993 - 2⁴ = 75225977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75225973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 205353 + ... + 205718.

It is an arithmetic number, because the mean of its divisors is an integer number (12743232).

Almost surely, 2^75225993 is an apocalyptic number.

It is an amenable number.

75225993 is a deficient number, since it is larger than the sum of its proper divisors (26719863).

75225993 is a wasteful number, since it uses less digits than its factorization.

75225993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411135.

The product of its digits is 170100, while the sum is 42.

The square root of 75225993 is about 8673.2919355917. The cubic root of 75225993 is about 422.1394854222.

The spelling of 75225993 in words is "seventy-five million, two hundred twenty-five thousand, nine hundred ninety-three".