74068524709 has 2 divisors, whose sum is σ = 74068524710. Its totient is φ = 74068524708.

The previous prime is 74068524683. The next prime is 74068524763. The reversal of 74068524709 is 90742586047.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73496836609 + 571688100 = 271103^2 + 23910^2 .

It is a cyclic number.

It is not a de Polignac number, because 74068524709 - 2⁹ = 74068524197 is a prime.

It is a super-2 number, since 2×74068524709² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (74068524779) 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, 37034262354 + 37034262355.

It is an arithmetic number, because the mean of its divisors is an integer number (37034262355).

Almost surely, 2^74068524709 is an apocalyptic number.

It is an amenable number.

74068524709 is a deficient number, since it is larger than the sum of its proper divisors (1).

74068524709 is an equidigital number, since it uses as much as digits as its factorization.

74068524709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 74068524709 in words is "seventy-four billion, sixty-eight million, five hundred twenty-four thousand, seven hundred nine".