68300000 has 72 divisors (see below), whose sum is σ = 168317352. Its totient is φ = 27280000.

The previous prime is 68299991. The next prime is 68300051. The reversal of 68300000 is 386.

It is a happy number.

It is a zygodrome in base 5.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99659 + ... + 100341.

It is an arithmetic number, because the mean of its divisors is an integer number (2337741).

Almost surely, 2^68300000 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 68300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84158676).

68300000 is an abundant number, since it is smaller than the sum of its proper divisors (100017352).

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

68300000 is an frugal number, since it uses more digits than its factorization.

68300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 690 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 68300000 is about 8264.3814045578. The cubic root of 68300000 is about 408.7648730354.

Adding to 68300000 its reverse (386), we get a palindrome (68300386).

The spelling of 68300000 in words is "sixty-eight million, three hundred thousand".