75008489 has 2 divisors, whose sum is σ = 75008490. Its totient is φ = 75008488.

The previous prime is 75008441. The next prime is 75008491. The reversal of 75008489 is 98480057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69438889 + 5569600 = 8333^2 + 2360^2 .

It is a cyclic number.

It is not a de Polignac number, because 75008489 - 2¹² = 75004393 is a prime.

Together with 75008491, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75008419) 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 as a sum of consecutive naturals, namely, 37504244 + 37504245.

It is an arithmetic number, because the mean of its divisors is an integer number (37504245).

Almost surely, 2^75008489 is an apocalyptic number.

It is an amenable number.

75008489 is a deficient number, since it is larger than the sum of its proper divisors (1).

75008489 is an equidigital number, since it uses as much as digits as its factorization.

75008489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

The square root of 75008489 is about 8660.7441366201. The cubic root of 75008489 is about 421.7322429393.

The spelling of 75008489 in words is "seventy-five million, eight thousand, four hundred eighty-nine".