74508908069 has 2 divisors, whose sum is σ = 74508908070. Its totient is φ = 74508908068.

The previous prime is 74508908041. The next prime is 74508908077. The reversal of 74508908069 is 96080980547.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62395044100 + 12113863969 = 249790^2 + 110063^2 .

It is a cyclic number.

It is not a de Polignac number, because 74508908069 - 2¹⁶ = 74508842533 is a prime.

It is a super-2 number, since 2×74508908069² (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 (74508901069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37254454034 + 37254454035.

It is an arithmetic number, because the mean of its divisors is an integer number (37254454035).

Almost surely, 2^74508908069 is an apocalyptic number.

It is an amenable number.

74508908069 is a deficient number, since it is larger than the sum of its proper divisors (1).

74508908069 is an equidigital number, since it uses as much as digits as its factorization.

74508908069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 56.

The spelling of 74508908069 in words is "seventy-four billion, five hundred eight million, nine hundred eight thousand, sixty-nine".