68820731373 has 8 divisors (see below), whose sum is σ = 92573019648. Its totient is φ = 45474465344.

The previous prime is 68820731363. The next prime is 68820731417. The reversal of 68820731373 is 37313702886.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68820731373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68820731323) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 101505165 + ... + 101505842.

It is an arithmetic number, because the mean of its divisors is an integer number (11571627456).

Almost surely, 2^68820731373 is an apocalyptic number.

It is an amenable number.

68820731373 is a deficient number, since it is larger than the sum of its proper divisors (23752288275).

68820731373 is a wasteful number, since it uses less digits than its factorization.

68820731373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203011123.

The product of its (nonzero) digits is 1016064, while the sum is 48.

The spelling of 68820731373 in words is "sixty-eight billion, eight hundred twenty million, seven hundred thirty-one thousand, three hundred seventy-three".