68109300 has 216 divisors, whose sum is σ = 257275200. Its totient is φ = 14722560.

The previous prime is 68109289. The next prime is 68109343. The reversal of 68109300 is 390186.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 119416 + ... + 119984.

Almost surely, 2^68109300 is an apocalyptic number.

68109300 is a gapful number since it is divisible by the number (60) 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 68109300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128637600).

68109300 is an abundant number, since it is smaller than the sum of its proper divisors (189165900).

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

68109300 is a wasteful number, since it uses less digits than its factorization.

68109300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615 (or 605 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 68109300 is about 8252.8358762307. The cubic root of 68109300 is about 408.3840818041.

Adding to 68109300 its reverse (390186), we get a palindrome (68499486).

It can be divided in two parts, 6810 and 9300, that added together give a triangular number (16110 = T₁₇₉).

The spelling of 68109300 in words is "sixty-eight million, one hundred nine thousand, three hundred".