75789169 has 2 divisors, whose sum is σ = 75789170. Its totient is φ = 75789168.

The previous prime is 75789149. The next prime is 75789173. The reversal of 75789169 is 96198757.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66259600 + 9529569 = 8140^2 + 3087^2 .

It is a cyclic number.

It is not a de Polignac number, because 75789169 - 2⁷ = 75789041 is a prime.

It is a super-2 number, since 2×75789169² = 11487996275421122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (75789149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37894584 + 37894585.

It is an arithmetic number, because the mean of its divisors is an integer number (37894585).

Almost surely, 2^75789169 is an apocalyptic number.

It is an amenable number.

75789169 is a deficient number, since it is larger than the sum of its proper divisors (1).

75789169 is an equidigital number, since it uses as much as digits as its factorization.

75789169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 52.

The square root of 75789169 is about 8705.6975022108. The cubic root of 75789169 is about 423.1903101836.

The spelling of 75789169 in words is "seventy-five million, seven hundred eighty-nine thousand, one hundred sixty-nine".