74144044147 has 16 divisors (see below), whose sum is σ = 78857644320. Its totient is φ = 69512256000.

The previous prime is 74144044063. The next prime is 74144044153.

74144044147 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 74144044147 - 2¹¹ = 74144042099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74144044547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4468747 + ... + 4485307.

It is an arithmetic number, because the mean of its divisors is an integer number (4928602770).

Almost surely, 2^74144044147 is an apocalyptic number.

74144044147 is a deficient number, since it is larger than the sum of its proper divisors (4713600173).

74144044147 is a wasteful number, since it uses less digits than its factorization.

74144044147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19014.

The product of its (nonzero) digits is 200704, while the sum is 40.

It can be divided in two parts, 741440 and 44147, that added together give a palindrome (785587).

The spelling of 74144044147 in words is "seventy-four billion, one hundred forty-four million, forty-four thousand, one hundred forty-seven".