74486218706 has 4 divisors (see below), whose sum is σ = 111729328062. Its totient is φ = 37243109352.

The previous prime is 74486218691. The next prime is 74486218711. The reversal of 74486218706 is 60781268447.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60781268447 = 811 ⋅74946077.

It can be written as a sum of positive squares in only one way, i.e., 67462270225 + 7023948481 = 259735^2 + 83809^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18621554675 + ... + 18621554678.

Almost surely, 2^74486218706 is an apocalyptic number.

74486218706 is a deficient number, since it is larger than the sum of its proper divisors (37243109356).

74486218706 is a wasteful number, since it uses less digits than its factorization.

74486218706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37243109355.

The product of its (nonzero) digits is 3612672, while the sum is 53.

The spelling of 74486218706 in words is "seventy-four billion, four hundred eighty-six million, two hundred eighteen thousand, seven hundred six".