75980369 has 2 divisors, whose sum is σ = 75980370. Its totient is φ = 75980368.

The previous prime is 75980353. The next prime is 75980407. The reversal of 75980369 is 96308957.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53465344 + 22515025 = 7312^2 + 4745^2 .

It is an emirp because it is prime and its reverse (96308957) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75980369 - 2⁴ = 75980353 is a prime.

It is a super-2 number, since 2×75980369² = 11546032946752322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (75980329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37990184 + 37990185.

It is an arithmetic number, because the mean of its divisors is an integer number (37990185).

Almost surely, 2^75980369 is an apocalyptic number.

It is an amenable number.

75980369 is a deficient number, since it is larger than the sum of its proper divisors (1).

75980369 is an equidigital number, since it uses as much as digits as its factorization.

75980369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 75980369 is about 8716.6718992973. The cubic root of 75980369 is about 423.5458844722.

The spelling of 75980369 in words is "seventy-five million, nine hundred eighty thousand, three hundred sixty-nine".