67200076409 has 2 divisors, whose sum is σ = 67200076410. Its totient is φ = 67200076408.

The previous prime is 67200076381. The next prime is 67200076423. The reversal of 67200076409 is 90467000276.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33883605625 + 33316470784 = 184075^2 + 182528^2 .

It is a cyclic number.

It is not a de Polignac number, because 67200076409 - 2²⁴ = 67183299193 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (67200076439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33600038204 + 33600038205.

It is an arithmetic number, because the mean of its divisors is an integer number (33600038205).

Almost surely, 2^67200076409 is an apocalyptic number.

It is an amenable number.

67200076409 is a deficient number, since it is larger than the sum of its proper divisors (1).

67200076409 is an equidigital number, since it uses as much as digits as its factorization.

67200076409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 67200076409 in words is "sixty-seven billion, two hundred million, seventy-six thousand, four hundred nine".