80075069 has 2 divisors, whose sum is σ = 80075070. Its totient is φ = 80075068.

The previous prime is 80075053. The next prime is 80075071. The reversal of 80075069 is 96057008.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55204900 + 24870169 = 7430^2 + 4987^2 .

It is a cyclic number.

It is not a de Polignac number, because 80075069 - 2⁴ = 80075053 is a prime.

It is a super-2 number, since 2×80075069² = 12824033350709522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 80075071, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80075669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40037534 + 40037535.

It is an arithmetic number, because the mean of its divisors is an integer number (40037535).

Almost surely, 2^80075069 is an apocalyptic number.

It is an amenable number.

80075069 is a deficient number, since it is larger than the sum of its proper divisors (1).

80075069 is an equidigital number, since it uses as much as digits as its factorization.

80075069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 80075069 is about 8948.4674106799. The cubic root of 80075069 is about 431.0216719202.

The spelling of 80075069 in words is "eighty million, seventy-five thousand, sixty-nine".