75708089 has 4 divisors (see below), whose sum is σ = 80161524. Its totient is φ = 71254656.

The previous prime is 75708053. The next prime is 75708097. The reversal of 75708089 is 98080757.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62805625 + 12902464 = 7925^2 + 3592^2 .

It is a cyclic number.

It is not a de Polignac number, because 75708089 - 2²⁰ = 74659513 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (75708029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2226692 + ... + 2226725.

It is an arithmetic number, because the mean of its divisors is an integer number (20040381).

Almost surely, 2^75708089 is an apocalyptic number.

It is an amenable number.

75708089 is a deficient number, since it is larger than the sum of its proper divisors (4453435).

75708089 is a wasteful number, since it uses less digits than its factorization.

75708089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4453434.

The product of its (nonzero) digits is 141120, while the sum is 44.

The square root of 75708089 is about 8701.0395355957. The cubic root of 75708089 is about 423.0393452812.

The spelling of 75708089 in words is "seventy-five million, seven hundred eight thousand, eighty-nine".