74344107121 has 2 divisors, whose sum is σ = 74344107122. Its totient is φ = 74344107120.

The previous prime is 74344107037. The next prime is 74344107157. The reversal of 74344107121 is 12170144347.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62147997025 + 12196110096 = 249295^2 + 110436^2 .

It is a cyclic number.

It is not a de Polignac number, because 74344107121 - 2¹⁵ = 74344074353 is a prime.

It is not a weakly prime, because it can be changed into another prime (74344107181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37172053560 + 37172053561.

It is an arithmetic number, because the mean of its divisors is an integer number (37172053561).

Almost surely, 2^74344107121 is an apocalyptic number.

It is an amenable number.

74344107121 is a deficient number, since it is larger than the sum of its proper divisors (1).

74344107121 is an equidigital number, since it uses as much as digits as its factorization.

74344107121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18816, while the sum is 34.

The spelling of 74344107121 in words is "seventy-four billion, three hundred forty-four million, one hundred seven thousand, one hundred twenty-one".