74040710666 has 48 divisors (see below), whose sum is σ = 124575456600. Its totient is φ = 32949955584.

The previous prime is 74040710647. The next prime is 74040710717. The reversal of 74040710666 is 66601704047.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 17575070041 + 56465640625 = 132571^2 + 237625^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7925150 + ... + 7934486.

Almost surely, 2^74040710666 is an apocalyptic number.

74040710666 is a deficient number, since it is larger than the sum of its proper divisors (50534745934).

74040710666 is a wasteful number, since it uses less digits than its factorization.

74040710666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10203 (or 10190 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 41.

The spelling of 74040710666 in words is "seventy-four billion, forty million, seven hundred ten thousand, six hundred sixty-six".