68534730873 has 48 divisors (see below), whose sum is σ = 115498032000. Its totient is φ = 39144924000.

The previous prime is 68534730871. The next prime is 68534730889. The reversal of 68534730873 is 37803743586.

68534730873 is a `hidden beast` number, since 6 + 8 + 534 + 7 + 30 + 8 + 73 = 666.

It is not a de Polignac number, because 68534730873 - 2¹ = 68534730871 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68534730871) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10032423 + ... + 10039251.

It is an arithmetic number, because the mean of its divisors is an integer number (2406209000).

Almost surely, 2^68534730873 is an apocalyptic number.

68534730873 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

68534730873 is a deficient number, since it is larger than the sum of its proper divisors (46963301127).

68534730873 is a wasteful number, since it uses less digits than its factorization.

68534730873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10107 (or 10090 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 54.

The spelling of 68534730873 in words is "sixty-eight billion, five hundred thirty-four million, seven hundred thirty thousand, eight hundred seventy-three".