75359489 has 2 divisors, whose sum is σ = 75359490. Its totient is φ = 75359488.

The previous prime is 75359467. The next prime is 75359497. The reversal of 75359489 is 98495357.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73960000 + 1399489 = 8600^2 + 1183^2 .

It is a cyclic number.

It is not a de Polignac number, because 75359489 - 2²⁴ = 58582273 is a prime.

It is a super-2 number, since 2×75359489² = 11358105164682242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (75359689) 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, 37679744 + 37679745.

It is an arithmetic number, because the mean of its divisors is an integer number (37679745).

Almost surely, 2^75359489 is an apocalyptic number.

It is an amenable number.

75359489 is a deficient number, since it is larger than the sum of its proper divisors (1).

75359489 is an equidigital number, since it uses as much as digits as its factorization.

75359489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1360800, while the sum is 50.

The square root of 75359489 is about 8680.9843335880. The cubic root of 75359489 is about 422.3890473449.

The spelling of 75359489 in words is "seventy-five million, three hundred fifty-nine thousand, four hundred eighty-nine".