68704459200 has 1176 divisors, whose sum is σ = 286279364448. Its totient is φ = 16094453760.

The previous prime is 68704459199. The next prime is 68704459253. The reversal of 68704459200 is 295440786.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 348753502 + ... + 348753698.

Almost surely, 2^68704459200 is an apocalyptic number.

68704459200 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 68704459200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (143139682224).

68704459200 is an abundant number, since it is smaller than the sum of its proper divisors (217574905248).

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

68704459200 is a wasteful number, since it uses less digits than its factorization.

68704459200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

Adding to 68704459200 its reverse (295440786), we get a palindrome (68999899986).

The spelling of 68704459200 in words is "sixty-eight billion, seven hundred four million, four hundred fifty-nine thousand, two hundred".