75955069 has 2 divisors, whose sum is σ = 75955070. Its totient is φ = 75955068.

The previous prime is 75955049. The next prime is 75955073. The reversal of 75955069 is 96055957.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75951225 + 3844 = 8715^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 75955069 - 2⁵ = 75955037 is a prime.

It is a super-2 number, since 2×75955069² = 11538345013589522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75955049) 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, 37977534 + 37977535.

It is an arithmetic number, because the mean of its divisors is an integer number (37977535).

Almost surely, 2^75955069 is an apocalyptic number.

It is an amenable number.

75955069 is a deficient number, since it is larger than the sum of its proper divisors (1).

75955069 is an equidigital number, since it uses as much as digits as its factorization.

75955069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 425250, while the sum is 46.

The square root of 75955069 is about 8715.2205365097. The cubic root of 75955069 is about 423.4988683784.

The spelling of 75955069 in words is "seventy-five million, nine hundred fifty-five thousand, sixty-nine".