75338717 has 4 divisors (see below), whose sum is σ = 75625440. Its totient is φ = 75051996.

The previous prime is 75338707. The next prime is 75338749. The reversal of 75338717 is 71783357.

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: 71783357 = 547 ⋅131231.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75338717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75338707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142967 + ... + 143492.

It is an arithmetic number, because the mean of its divisors is an integer number (18906360).

Almost surely, 2^75338717 is an apocalyptic number.

It is an amenable number.

75338717 is a deficient number, since it is larger than the sum of its proper divisors (286723).

75338717 is a wasteful number, since it uses less digits than its factorization.

75338717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286722.

The product of its digits is 123480, while the sum is 41.

The square root of 75338717 is about 8679.7878430293. The cubic root of 75338717 is about 422.3502348402.

The spelling of 75338717 in words is "seventy-five million, three hundred thirty-eight thousand, seven hundred seventeen".