68099800 has 48 divisors (see below), whose sum is σ = 166674600. Its totient is φ = 25804800.

The previous prime is 68099797. The next prime is 68099809. The reversal of 68099800 is 899086.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68099809) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5161 + ... + 12760.

Almost surely, 2^68099800 is an apocalyptic number.

It is an amenable number.

68099800 is an abundant number, since it is smaller than the sum of its proper divisors (98574800).

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

68099800 is a wasteful number, since it uses less digits than its factorization.

68099800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17956 (or 17947 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 68099800 is about 8252.2602964279. The cubic root of 68099800 is about 408.3650935544.

The spelling of 68099800 in words is "sixty-eight million, ninety-nine thousand, eight hundred".