68508300 has 288 divisors, whose sum is σ = 254983680. Its totient is φ = 13824000.

The previous prime is 68508299. The next prime is 68508313. The reversal of 68508300 is 380586.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 678250 + ... + 678350.

It is an arithmetic number, because the mean of its divisors is an integer number (885360).

Almost surely, 2^68508300 is an apocalyptic number.

68508300 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 68508300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127491840).

68508300 is an abundant number, since it is smaller than the sum of its proper divisors (186475380).

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

68508300 is a wasteful number, since it uses less digits than its factorization.

68508300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 68508300 is about 8276.9740847728. The cubic root of 68508300 is about 409.1799990033.

Adding to 68508300 its reverse (380586), we get a palindrome (68888886).

The spelling of 68508300 in words is "sixty-eight million, five hundred eight thousand, three hundred".