68612200 has 24 divisors (see below), whose sum is σ = 159523830. Its totient is φ = 27444800.

The previous prime is 68612191. The next prime is 68612227. The reversal of 68612200 is 221686.

It can be written as a sum of positive squares in 3 ways, for example, as 42172036 + 26440164 = 6494^2 + 5142^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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 5 ways as a sum of consecutive naturals, for example, 171331 + ... + 171730.

Almost surely, 2^68612200 is an apocalyptic number.

It is an amenable number.

68612200 is an abundant number, since it is smaller than the sum of its proper divisors (90911630).

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

68612200 is a wasteful number, since it uses less digits than its factorization.

68612200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343077 (or 343068 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 68612200 is about 8283.2481551623. The cubic root of 68612200 is about 409.3867492695.

Adding to 68612200 its reverse (221686), we get a palindrome (68833886).

The spelling of 68612200 in words is "sixty-eight million, six hundred twelve thousand, two hundred".