75422689 has 2 divisors, whose sum is σ = 75422690. Its totient is φ = 75422688.

The previous prime is 75422629. The next prime is 75422701. The reversal of 75422689 is 98622457.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 73822464 + 1600225 = 8592^2 + 1265^2 .

It is a cyclic number.

It is not a de Polignac number, because 75422689 - 2¹¹ = 75420641 is a prime.

It is not a weakly prime, because it can be changed into another prime (75422629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37711344 + 37711345.

It is an arithmetic number, because the mean of its divisors is an integer number (37711345).

Almost surely, 2^75422689 is an apocalyptic number.

It is an amenable number.

75422689 is a deficient number, since it is larger than the sum of its proper divisors (1).

75422689 is an equidigital number, since it uses as much as digits as its factorization.

75422689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 43.

The square root of 75422689 is about 8684.6237109042. The cubic root of 75422689 is about 422.5070927698.

The spelling of 75422689 in words is "seventy-five million, four hundred twenty-two thousand, six hundred eighty-nine".