74006675543 has 4 divisors (see below), whose sum is σ = 74478055800. Its totient is φ = 73535295288.

The previous prime is 74006675531. The next prime is 74006675551. The reversal of 74006675543 is 34557660047.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34557660047 = 19 ⋅1818824213.

It is a cyclic number.

It is not a de Polignac number, because 74006675543 - 2²⁰ = 74005626967 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 (74006675143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235689893 + ... + 235690206.

It is an arithmetic number, because the mean of its divisors is an integer number (18619513950).

Almost surely, 2^74006675543 is an apocalyptic number.

74006675543 is a deficient number, since it is larger than the sum of its proper divisors (471380257).

74006675543 is a wasteful number, since it uses less digits than its factorization.

74006675543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471380256.

The product of its (nonzero) digits is 2116800, while the sum is 47.

The spelling of 74006675543 in words is "seventy-four billion, six million, six hundred seventy-five thousand, five hundred forty-three".