74345454347 has 4 divisors (see below), whose sum is σ = 74346085296. Its totient is φ = 74344823400.

The previous prime is 74345454317. The next prime is 74345454377.

74345454347 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (74345454317) and next prime (74345454377).

It is a cyclic number.

It is not a de Polignac number, because 74345454347 - 2¹⁰ = 74345453323 is a prime.

It is a super-2 number, since 2×74345454347² (a number of 23 digits) contains 22 as substring.

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

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74345454295 and 74345454304.

It is not an unprimeable number, because it can be changed into a prime (74345454317) 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 3 ways as a sum of consecutive naturals, for example, 80279 + ... + 393872.

It is an arithmetic number, because the mean of its divisors is an integer number (18586521324).

Almost surely, 2^74345454347 is an apocalyptic number.

74345454347 is a deficient number, since it is larger than the sum of its proper divisors (630949).

74345454347 is a wasteful number, since it uses less digits than its factorization.

74345454347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630948.

The product of its digits is 11289600, while the sum is 50.

The spelling of 74345454347 in words is "seventy-four billion, three hundred forty-five million, four hundred fifty-four thousand, three hundred forty-seven".