74703850066 has 4 divisors (see below), whose sum is σ = 112055775102. Its totient is φ = 37351925032.

The previous prime is 74703850037. The next prime is 74703850069. The reversal of 74703850066 is 66005830747.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66005830747 = 29531 ⋅2235137.

It can be written as a sum of positive squares in only one way, i.e., 65995041025 + 8708809041 = 256895^2 + 93321^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74703849998 and 74703850025.

It is not an unprimeable number, because it can be changed into a prime (74703850069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18675962515 + ... + 18675962518.

Almost surely, 2^74703850066 is an apocalyptic number.

74703850066 is a deficient number, since it is larger than the sum of its proper divisors (37351925036).

74703850066 is a wasteful number, since it uses less digits than its factorization.

74703850066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37351925035.

The product of its (nonzero) digits is 846720, while the sum is 46.

The spelling of 74703850066 in words is "seventy-four billion, seven hundred three million, eight hundred fifty thousand, sixty-six".