74068778718 has 24 divisors (see below), whose sum is σ = 175071659256. Its totient is φ = 22445084400.

The previous prime is 74068778713. The next prime is 74068778737. The reversal of 74068778718 is 81787786047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74068778713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187042173 + ... + 187042568.

It is an arithmetic number, because the mean of its divisors is an integer number (7294652469).

Almost surely, 2^74068778718 is an apocalyptic number.

74068778718 is an abundant number, since it is smaller than the sum of its proper divisors (101002880538).

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

74068778718 is a wasteful number, since it uses less digits than its factorization.

74068778718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 374084760 (or 374084757 counting only the distinct ones).

The product of its (nonzero) digits is 29503488, while the sum is 63.

The spelling of 74068778718 in words is "seventy-four billion, sixty-eight million, seven hundred seventy-eight thousand, seven hundred eighteen".