68203296 has 216 divisors, whose sum is σ = 235282320. Its totient is φ = 19377792.

The previous prime is 68203271. The next prime is 68203309. The reversal of 68203296 is 69230286.

It is a tau number, because it is divible by the number of its divisors (216).

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 68203296.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 380935 + ... + 381113.

It is an arithmetic number, because the mean of its divisors is an integer number (1089270).

Almost surely, 2^68203296 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 68203296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117641160).

68203296 is an abundant number, since it is smaller than the sum of its proper divisors (167079024).

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

68203296 is a wasteful number, since it uses less digits than its factorization.

68203296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 68203296 is about 8258.5286825197. The cubic root of 68203296 is about 408.5718624494.

The spelling of 68203296 in words is "sixty-eight million, two hundred three thousand, two hundred ninety-six".