68391696 has 40 divisors (see below), whose sum is σ = 184363200. Its totient is φ = 21805696.

The previous prime is 68391667. The next prime is 68391707. The reversal of 68391696 is 69619386.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a plaindrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29871 + ... + 32078.

It is an arithmetic number, because the mean of its divisors is an integer number (4609080).

Almost surely, 2^68391696 is an apocalyptic number.

It is an amenable number.

68391696 is an abundant number, since it is smaller than the sum of its proper divisors (115971504).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68391696 is a wasteful number, since it uses less digits than its factorization.

68391696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61983 (or 61977 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 68391696 is about 8269.9272064511. The cubic root of 68391696 is about 408.9477199971.

The spelling of 68391696 in words is "sixty-eight million, three hundred ninety-one thousand, six hundred ninety-six".