68310396 has 144 divisors (see below), whose sum is σ = 226786560. Its totient is φ = 16796160.

The previous prime is 68310383. The next prime is 68310401. The reversal of 68310396 is 69301386.

It is a happy number.

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 68310396.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 52020 + ... + 53316.

Almost surely, 2^68310396 is an apocalyptic number.

68310396 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68310396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113393280).

68310396 is an abundant number, since it is smaller than the sum of its proper divisors (158476164).

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

68310396 is a wasteful number, since it uses less digits than its factorization.

68310396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344 (or 1339 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 36.

The square root of 68310396 is about 8265.0103448211. The cubic root of 68310396 is about 408.7856114640.

The spelling of 68310396 in words is "sixty-eight million, three hundred ten thousand, three hundred ninety-six".