74345048342543 has 8 divisors (see below), whose sum is σ = 81108026189136. Its totient is φ = 67582793344000.

The previous prime is 74345048342519. The next prime is 74345048342573. The reversal of 74345048342543 is 34524384054347.

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

It is not a de Polignac number, because 74345048342543 - 2²² = 74345044148239 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74345048342573) 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, 180496946 + ... + 180908367.

It is an arithmetic number, because the mean of its divisors is an integer number (10138503273642).

Almost surely, 2^{74345048342543} is an apocalyptic number.

74345048342543 is a deficient number, since it is larger than the sum of its proper divisors (6762977846593).

74345048342543 is a wasteful number, since it uses less digits than its factorization.

74345048342543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361424025.

The product of its (nonzero) digits is 77414400, while the sum is 56.

The spelling of 74345048342543 in words is "seventy-four trillion, three hundred forty-five billion, forty-eight million, three hundred forty-two thousand, five hundred forty-three".