68740403705085 has 32 divisors (see below), whose sum is σ = 126348016677120. Its totient is φ = 31261364932608.

The previous prime is 68740403705047. The next prime is 68740403705093. The reversal of 68740403705085 is 58050730404786.

It is not a de Polignac number, because 68740403705085 - 2⁷ = 68740403704957 is a prime.

It is a super-3 number, since 3×68740403705085³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1696017330 + ... + 1696057859.

It is an arithmetic number, because the mean of its divisors is an integer number (3948375521160).

Almost surely, 2^{68740403705085} is an apocalyptic number.

It is an amenable number.

68740403705085 is a deficient number, since it is larger than the sum of its proper divisors (57607612972035).

68740403705085 is a wasteful number, since it uses less digits than its factorization.

68740403705085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3392075397.

The product of its (nonzero) digits is 22579200, while the sum is 57.

The spelling of 68740403705085 in words is "sixty-eight trillion, seven hundred forty billion, four hundred three million, seven hundred five thousand, eighty-five".