68072719810473 has 96 divisors (see below), whose sum is σ = 119236855562240. Its totient is φ = 36556010830080.

The previous prime is 68072719810457. The next prime is 68072719810553. The reversal of 68072719810473 is 37401891727086.

68072719810473 is a `hidden beast` number, since 6 + 8 + 0 + 7 + 2 + 71 + 98 + 1 + 0 + 473 = 666.

It is not a de Polignac number, because 68072719810473 - 2⁴ = 68072719810457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 68072719810473.

It is not an unprimeable number, because it can be changed into a prime (68072719810873) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1217796261 + ... + 1217852157.

Almost surely, 2^{68072719810473} is an apocalyptic number.

68072719810473 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

68072719810473 is a deficient number, since it is larger than the sum of its proper divisors (51164135751767).

68072719810473 is a wasteful number, since it uses less digits than its factorization.

68072719810473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64067 (or 64064 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 63.

The spelling of 68072719810473 in words is "sixty-eight trillion, seventy-two billion, seven hundred nineteen million, eight hundred ten thousand, four hundred seventy-three".