76468109 has 2 divisors, whose sum is σ = 76468110. Its totient is φ = 76468108.

The previous prime is 76468081. The next prime is 76468121. The reversal of 76468109 is 90186467.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 61622500 + 14845609 = 7850^2 + 3853^2 .

It is a cyclic number.

It is not a de Polignac number, because 76468109 - 2¹² = 76464013 is a prime.

It is a Sophie Germain prime.

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 (76468199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38234054 + 38234055.

It is an arithmetic number, because the mean of its divisors is an integer number (38234055).

Almost surely, 2^76468109 is an apocalyptic number.

It is an amenable number.

76468109 is a deficient number, since it is larger than the sum of its proper divisors (1).

76468109 is an equidigital number, since it uses as much as digits as its factorization.

76468109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 76468109 is about 8744.6045651018. The cubic root of 76468109 is about 424.4502400281.

The spelling of 76468109 in words is "seventy-six million, four hundred sixty-eight thousand, one hundred nine".