75232189 has 2 divisors, whose sum is σ = 75232190. Its totient is φ = 75232188.

The previous prime is 75232169. The next prime is 75232207. The reversal of 75232189 is 98123257.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70644025 + 4588164 = 8405^2 + 2142^2 .

It is an emirp because it is prime and its reverse (98123257) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75232189 - 2⁹ = 75231677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75232159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37616094 + 37616095.

It is an arithmetic number, because the mean of its divisors is an integer number (37616095).

Almost surely, 2^75232189 is an apocalyptic number.

It is an amenable number.

75232189 is a deficient number, since it is larger than the sum of its proper divisors (1).

75232189 is an equidigital number, since it uses as much as digits as its factorization.

75232189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 75232189 is about 8673.6491167213. The cubic root of 75232189 is about 422.1510749643.

The spelling of 75232189 in words is "seventy-five million, two hundred thirty-two thousand, one hundred eighty-nine".