75093217 has 4 divisors (see below), whose sum is σ = 75113136. Its totient is φ = 75073300.

The previous prime is 75093203. The next prime is 75093259. The reversal of 75093217 is 71239057.

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, and also an emirpimes, since its reverse is a distinct semiprime: 71239057 = 71 ⋅1003367.

It is a cyclic number.

It is not a de Polignac number, because 75093217 - 2⁷ = 75093089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75093817) 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, 2383 + ... + 12484.

It is an arithmetic number, because the mean of its divisors is an integer number (18778284).

Almost surely, 2^75093217 is an apocalyptic number.

It is an amenable number.

75093217 is a deficient number, since it is larger than the sum of its proper divisors (19919).

75093217 is a wasteful number, since it uses less digits than its factorization.

75093217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19918.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 75093217 is about 8665.6342526096. The cubic root of 75093217 is about 421.8909764558.

The spelling of 75093217 in words is "seventy-five million, ninety-three thousand, two hundred seventeen".