74454311345447 has 8 divisors (see below), whose sum is σ = 81524828918160. Its totient is φ = 67434117741760.

The previous prime is 74454311345419. The next prime is 74454311345473.

74454311345447 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74454311345447 - 2¹⁴ = 74454311329063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 74454311345392 and 74454311345401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74454311345417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12580989158 + ... + 12580995075.

It is an arithmetic number, because the mean of its divisors is an integer number (10190603614770).

Almost surely, 2^{74454311345447} is an apocalyptic number.

74454311345447 is a deficient number, since it is larger than the sum of its proper divisors (7070517572713).

74454311345447 is a wasteful number, since it uses less digits than its factorization.

74454311345447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25161984513.

The product of its digits is 45158400, while the sum is 56.

The spelling of 74454311345447 in words is "seventy-four trillion, four hundred fifty-four billion, three hundred eleven million, three hundred forty-five thousand, four hundred forty-seven".