68660896 has 48 divisors (see below), whose sum is σ = 140978880. Its totient is φ = 32888320.

The previous prime is 68660887. The next prime is 68660923. The reversal of 68660896 is 69806686.

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, 76965 + ... + 77851.

It is an arithmetic number, because the mean of its divisors is an integer number (2937060).

Almost surely, 2^68660896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68660896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70489440).

68660896 is an abundant number, since it is smaller than the sum of its proper divisors (72317984).

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

68660896 is a wasteful number, since it uses less digits than its factorization.

68660896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 746496, while the sum is 49.

The square root of 68660896 is about 8286.1870604036. The cubic root of 68660896 is about 409.4835774465.

The spelling of 68660896 in words is "sixty-eight million, six hundred sixty thousand, eight hundred ninety-six".