68810700 has 216 divisors, whose sum is σ = 240651264. Its totient is φ = 15120000.

The previous prime is 68810689. The next prime is 68810701. The reversal of 68810700 is 701886.

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

It is not an unprimeable number, because it can be changed into a prime (68810701) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 455625 + ... + 455775.

Almost surely, 2^68810700 is an apocalyptic number.

68810700 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 68810700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120325632).

68810700 is an abundant number, since it is smaller than the sum of its proper divisors (171840564).

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

68810700 is a wasteful number, since it uses less digits than its factorization.

68810700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 68810700 is about 8295.2215160296. The cubic root of 68810700 is about 409.7811642016.

The spelling of 68810700 in words is "sixty-eight million, eight hundred ten thousand, seven hundred".