68545200 has 90 divisors (see below), whose sum is σ = 220495684. Its totient is φ = 18202240.

The previous prime is 68545193. The next prime is 68545229. The reversal of 68545200 is 254586.

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 286681 + ... + 286919.

Almost surely, 2^68545200 is an apocalyptic number.

68545200 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 68545200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110247842).

68545200 is an abundant number, since it is smaller than the sum of its proper divisors (151950484).

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

68545200 is a wasteful number, since it uses less digits than its factorization.

68545200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 68545200 is about 8279.2028601792. The cubic root of 68545200 is about 409.2534501128.

Adding to 68545200 its reverse (254586), we get a palindrome (68799786).

The spelling of 68545200 in words is "sixty-eight million, five hundred forty-five thousand, two hundred".