68252868 has 144 divisors (see below), whose sum is σ = 193729536. Its totient is φ = 20956320.

The previous prime is 68252867. The next prime is 68252869. The reversal of 68252868 is 86825286.

68252868 is a `hidden beast` number, since 68 + 2 + 528 + 68 = 666.

It is an interprime number because it is at equal distance from previous prime (68252867) and next prime (68252869).

It is not an unprimeable number, because it can be changed into a prime (68252861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 961273 + ... + 961343.

It is an arithmetic number, because the mean of its divisors is an integer number (1345344).

Almost surely, 2^68252868 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 68252868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96864768).

68252868 is an abundant number, since it is smaller than the sum of its proper divisors (125476668).

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

68252868 is a wasteful number, since it uses less digits than its factorization.

68252868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156 (or 142 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 68252868 is about 8261.5293983620. The cubic root of 68252868 is about 408.6708255033.

The spelling of 68252868 in words is "sixty-eight million, two hundred fifty-two thousand, eight hundred sixty-eight".