68416236 has 72 divisors (see below), whose sum is σ = 200089344. Its totient is φ = 19306080.

The previous prime is 68416199. The next prime is 68416259. The reversal of 68416236 is 63261486.

68416236 is a `hidden beast` number, since 6 + 8 + 416 + 236 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 68416236.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19281 + ... + 22551.

Almost surely, 2^68416236 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 68416236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100044672).

68416236 is an abundant number, since it is smaller than the sum of its proper divisors (131673108).

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

68416236 is a wasteful number, since it uses less digits than its factorization.

68416236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3371 (or 3366 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 68416236 is about 8271.4107623791. The cubic root of 68416236 is about 408.9966264071.

The spelling of 68416236 in words is "sixty-eight million, four hundred sixteen thousand, two hundred thirty-six".