74681346668 has 6 divisors (see below), whose sum is σ = 130692356676. Its totient is φ = 37340673332.

The previous prime is 74681346661. The next prime is 74681346671. The reversal of 74681346668 is 86664318647.

It is not an unprimeable number, because it can be changed into a prime (74681346661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9335168330 + ... + 9335168337.

It is an arithmetic number, because the mean of its divisors is an integer number (21782059446).

Almost surely, 2^74681346668 is an apocalyptic number.

It is an amenable number.

74681346668 is a deficient number, since it is larger than the sum of its proper divisors (56011010008).

74681346668 is a wasteful number, since it uses less digits than its factorization.

74681346668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18670336671 (or 18670336669 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 59.

The spelling of 74681346668 in words is "seventy-four billion, six hundred eighty-one million, three hundred forty-six thousand, six hundred sixty-eight".