68411872 has 12 divisors (see below), whose sum is σ = 134685936. Its totient is φ = 34205920.

The previous prime is 68411851. The next prime is 68411873. The reversal of 68411872 is 27811486.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68411873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1068904 + ... + 1068967.

It is an arithmetic number, because the mean of its divisors is an integer number (11223828).

Almost surely, 2^68411872 is an apocalyptic number.

It is an amenable number.

68411872 is a deficient number, since it is larger than the sum of its proper divisors (66274064).

68411872 is a wasteful number, since it uses less digits than its factorization.

68411872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137881 (or 2137873 counting only the distinct ones).

The product of its digits is 21504, while the sum is 37.

The square root of 68411872 is about 8271.1469579497. The cubic root of 68411872 is about 408.9879301320.

The spelling of 68411872 in words is "sixty-eight million, four hundred eleven thousand, eight hundred seventy-two".