68817828 has 12 divisors (see below), whose sum is σ = 160574960. Its totient is φ = 22939272.

The previous prime is 68817809. The next prime is 68817839. The reversal of 68817828 is 82871886.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2867398 + ... + 2867421.

Almost surely, 2^68817828 is an apocalyptic number.

It is an amenable number.

68817828 is an abundant number, since it is smaller than the sum of its proper divisors (91757132).

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

68817828 is a wasteful number, since it uses less digits than its factorization.

68817828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5734826 (or 5734824 counting only the distinct ones).

The product of its digits is 344064, while the sum is 48.

The square root of 68817828 is about 8295.6511498495. The cubic root of 68817828 is about 409.7953132573.

The spelling of 68817828 in words is "sixty-eight million, eight hundred seventeen thousand, eight hundred twenty-eight".