74429319866 has 12 divisors (see below), whose sum is σ = 122716110426. Its totient is φ = 33831508920.

The previous prime is 74429319863. The next prime is 74429319919. The reversal of 74429319866 is 66891392447.

It can be written as a sum of positive squares in only one way, i.e., 71973621841 + 2455698025 = 268279^2 + 49555^2 .

It is not an unprimeable number, because it can be changed into a prime (74429319863) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 153779345 + ... + 153779828.

Almost surely, 2^74429319866 is an apocalyptic number.

74429319866 is a deficient number, since it is larger than the sum of its proper divisors (48286790560).

74429319866 is a wasteful number, since it uses less digits than its factorization.

74429319866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307559197 (or 307559186 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 59.

The spelling of 74429319866 in words is "seventy-four billion, four hundred twenty-nine million, three hundred nineteen thousand, eight hundred sixty-six".