74546916668 has 24 divisors (see below), whose sum is σ = 149687846784. Its totient is φ = 31821390000.

The previous prime is 74546916643. The next prime is 74546916677. The reversal of 74546916668 is 86661964547.

It is a self number, because there is not a number n which added to its sum of digits gives 74546916668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5296538 + ... + 5310593.

It is an arithmetic number, because the mean of its divisors is an integer number (6236993616).

Almost surely, 2^74546916668 is an apocalyptic number.

It is an amenable number.

74546916668 is an abundant number, since it is smaller than the sum of its proper divisors (75140930116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74546916668 is a wasteful number, since it uses less digits than its factorization.

74546916668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10607393 (or 10607391 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 62.

The spelling of 74546916668 in words is "seventy-four billion, five hundred forty-six million, nine hundred sixteen thousand, six hundred sixty-eight".