74144433444147 has 16 divisors (see below), whose sum is σ = 119829387384960. Its totient is φ = 44936020269000.

The previous prime is 74144433444043. The next prime is 74144433444173.

74144433444147 is a `hidden beast` number, since 7 + 4 + 14 + 4 + 43 + 3 + 444 + 147 = 666.

74144433444147 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74144433444147 - 2²³ = 74144425055539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74144433444093 and 74144433444102.

It is not an unprimeable number, because it can be changed into a prime (74144433444547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124822278229 + ... + 124822278822.

It is an arithmetic number, because the mean of its divisors is an integer number (7489336711560).

Almost surely, 2^{74144433444147} is an apocalyptic number.

74144433444147 is a deficient number, since it is larger than the sum of its proper divisors (45684953940813).

74144433444147 is a wasteful number, since it uses less digits than its factorization.

74144433444147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249644557071 (or 249644557065 counting only the distinct ones).

The product of its digits is 28901376, while the sum is 54.

The spelling of 74144433444147 in words is "seventy-four trillion, one hundred forty-four billion, four hundred thirty-three million, four hundred forty-four thousand, one hundred forty-seven".