68067403172 has 24 divisors (see below), whose sum is σ = 119998569600. Its totient is φ = 33782194656.

The previous prime is 68067403171. The next prime is 68067403193. The reversal of 68067403172 is 27130476086.

It is a super-3 number, since 3×68067403172³ (a number of 33 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (68067403171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4024229 + ... + 4041107.

It is an arithmetic number, because the mean of its divisors is an integer number (4999940400).

Almost surely, 2^68067403172 is an apocalyptic number.

It is an amenable number.

68067403172 is a deficient number, since it is larger than the sum of its proper divisors (51931166428).

68067403172 is a wasteful number, since it uses less digits than its factorization.

68067403172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24275 (or 24273 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The spelling of 68067403172 in words is "sixty-eight billion, sixty-seven million, four hundred three thousand, one hundred seventy-two".