74134912105 has 4 divisors (see below), whose sum is σ = 88961894532. Its totient is φ = 59307929680.

The previous prime is 74134912057. The next prime is 74134912121. The reversal of 74134912105 is 50121943147.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17153402841 + 56981509264 = 130971^2 + 238708^2 .

It is not a de Polignac number, because 74134912105 - 2⁹ = 74134911593 is a prime.

It is a super-3 number, since 3×74134912105³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 7413491206 + ... + 7413491215.

It is an arithmetic number, because the mean of its divisors is an integer number (22240473633).

Almost surely, 2^74134912105 is an apocalyptic number.

It is an amenable number.

74134912105 is a deficient number, since it is larger than the sum of its proper divisors (14826982427).

74134912105 is a wasteful number, since it uses less digits than its factorization.

74134912105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14826982426.

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 74134912105 in words is "seventy-four billion, one hundred thirty-four million, nine hundred twelve thousand, one hundred five".