74345054347 has 24 divisors (see below), whose sum is σ = 80098706880. Its totient is φ = 68982681600.

The previous prime is 74345054339. The next prime is 74345054351.

It is a happy number.

74345054347 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 74345054347 - 2³ = 74345054339 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 74345054297 and 74345054306.

It is not an unprimeable number, because it can be changed into a prime (74345054747) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 6970843 + ... + 6981499.

It is an arithmetic number, because the mean of its divisors is an integer number (3337446120).

Almost surely, 2^74345054347 is an apocalyptic number.

74345054347 is a deficient number, since it is larger than the sum of its proper divisors (5753652533).

74345054347 is a wasteful number, since it uses less digits than its factorization.

74345054347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11031 (or 11014 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 46.

It can be divided in two parts, 743450 and 54347, that added together give a palindrome (797797).

The spelling of 74345054347 in words is "seventy-four billion, three hundred forty-five million, fifty-four thousand, three hundred forty-seven".