74499361688 has 8 divisors (see below), whose sum is σ = 139686303180. Its totient is φ = 37249680840.

The previous prime is 74499361679. The next prime is 74499361691. The reversal of 74499361688 is 88616399447.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4656210098 + ... + 4656210113.

Almost surely, 2^74499361688 is an apocalyptic number.

It is an amenable number.

74499361688 is a deficient number, since it is larger than the sum of its proper divisors (65186941492).

74499361688 is a wasteful number, since it uses less digits than its factorization.

74499361688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9312420217 (or 9312420213 counting only the distinct ones).

The product of its digits is 62705664, while the sum is 65.

The spelling of 74499361688 in words is "seventy-four billion, four hundred ninety-nine million, three hundred sixty-one thousand, six hundred eighty-eight".