68109696 has 48 divisors (see below), whose sum is σ = 195996060. Its totient is φ = 22702848.

The previous prime is 68109641. The next prime is 68109703. The reversal of 68109696 is 69690186.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28410 + ... + 30713.

Almost surely, 2^68109696 is an apocalyptic number.

It is an amenable number.

68109696 is an abundant number, since it is smaller than the sum of its proper divisors (127886364).

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

68109696 is a wasteful number, since it uses less digits than its factorization.

68109696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59143 (or 59128 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 68109696 is about 8252.8598679488. The cubic root of 68109696 is about 408.3848732759.

The spelling of 68109696 in words is "sixty-eight million, one hundred nine thousand, six hundred ninety-six".