68817852 has 18 divisors (see below), whose sum is σ = 173956328. Its totient is φ = 22939272.

The previous prime is 68817839. The next prime is 68817857. The reversal of 68817852 is 25871886.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 68817798 and 68817807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68817857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 955768 + ... + 955839.

Almost surely, 2^68817852 is an apocalyptic number.

It is an amenable number.

68817852 is an abundant number, since it is smaller than the sum of its proper divisors (105138476).

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

68817852 is a wasteful number, since it uses less digits than its factorization.

68817852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1911617 (or 1911612 counting only the distinct ones).

The product of its digits is 215040, while the sum is 45.

The square root of 68817852 is about 8295.6525963905. The cubic root of 68817852 is about 409.7953608956.

The spelling of 68817852 in words is "sixty-eight million, eight hundred seventeen thousand, eight hundred fifty-two".