68099400 has 96 divisors (see below), whose sum is σ = 234583200. Its totient is φ = 18158400.

The previous prime is 68099387. The next prime is 68099417. The reversal of 68099400 is 499086.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 906 + ... + 11705.

It is an arithmetic number, because the mean of its divisors is an integer number (2443575).

Almost surely, 2^68099400 is an apocalyptic number.

68099400 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 68099400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117291600).

68099400 is an abundant number, since it is smaller than the sum of its proper divisors (166483800).

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

68099400 is a wasteful number, since it uses less digits than its factorization.

68099400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12636 (or 12621 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 68099400 is about 8252.2360606081. The cubic root of 68099400 is about 408.3642940104.

The spelling of 68099400 in words is "sixty-eight million, ninety-nine thousand, four hundred".