74373700109 has 2 divisors, whose sum is σ = 74373700110. Its totient is φ = 74373700108.

The previous prime is 74373700021. The next prime is 74373700199. The reversal of 74373700109 is 90100737347.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56940458884 + 17433241225 = 238622^2 + 132035^2 .

It is a cyclic number.

It is not a de Polignac number, because 74373700109 - 2³⁶ = 5654223373 is a prime.

It is a super-2 number, since 2×74373700109² (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 (74373700199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37186850054 + 37186850055.

It is an arithmetic number, because the mean of its divisors is an integer number (37186850055).

Almost surely, 2^74373700109 is an apocalyptic number.

It is an amenable number.

74373700109 is a deficient number, since it is larger than the sum of its proper divisors (1).

74373700109 is an equidigital number, since it uses as much as digits as its factorization.

74373700109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 111132, while the sum is 41.

The spelling of 74373700109 in words is "seventy-four billion, three hundred seventy-three million, seven hundred thousand, one hundred nine".