75757117 has 4 divisors (see below), whose sum is σ = 80213436. Its totient is φ = 71300800.

The previous prime is 75757109. The next prime is 75757127. The reversal of 75757117 is 71175757.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71175757 = 7547 ⋅9431.

It can be written as a sum of positive squares in 2 ways, for example, as 45441081 + 30316036 = 6741^2 + 5506^2 .

It is a cyclic number.

It is not a de Polignac number, because 75757117 - 2³ = 75757109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75757117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75757127) 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, 2228134 + ... + 2228167.

It is an arithmetic number, because the mean of its divisors is an integer number (20053359).

Almost surely, 2^75757117 is an apocalyptic number.

It is an amenable number.

75757117 is a deficient number, since it is larger than the sum of its proper divisors (4456319).

75757117 is a wasteful number, since it uses less digits than its factorization.

75757117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4456318.

The product of its digits is 60025, while the sum is 40.

The square root of 75757117 is about 8703.8564441287. The cubic root of 75757117 is about 423.1306446290.

The spelling of 75757117 in words is "seventy-five million, seven hundred fifty-seven thousand, one hundred seventeen".