75889069 has 2 divisors, whose sum is σ = 75889070. Its totient is φ = 75889068.

The previous prime is 75889049. The next prime is 75889087. The reversal of 75889069 is 96098857.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71318025 + 4571044 = 8445^2 + 2138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-75889069 is a prime.

It is a super-2 number, since 2×75889069² = 11518301587373522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75889049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37944534 + 37944535.

It is an arithmetic number, because the mean of its divisors is an integer number (37944535).

Almost surely, 2^75889069 is an apocalyptic number.

It is an amenable number.

75889069 is a deficient number, since it is larger than the sum of its proper divisors (1).

75889069 is an equidigital number, since it uses as much as digits as its factorization.

75889069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 52.

The square root of 75889069 is about 8711.4332345487. The cubic root of 75889069 is about 423.3761685357.

The spelling of 75889069 in words is "seventy-five million, eight hundred eighty-nine thousand, sixty-nine".