74434443447 has 16 divisors (see below), whose sum is σ = 122148830720. Its totient is φ = 39262123872.

The previous prime is 74434443431. The next prime is 74434443469.

74434443447 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74434443447 - 2⁴ = 74434443431 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74434443396 and 74434443405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74434443487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136326547 + ... + 136327092.

It is an arithmetic number, because the mean of its divisors is an integer number (7634301920).

Almost surely, 2^74434443447 is an apocalyptic number.

74434443447 is a deficient number, since it is larger than the sum of its proper divisors (47714387273).

74434443447 is a wasteful number, since it uses less digits than its factorization.

74434443447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272653662.

The product of its digits is 7225344, while the sum is 48.

The spelling of 74434443447 in words is "seventy-four billion, four hundred thirty-four million, four hundred forty-three thousand, four hundred forty-seven".