68028700 has 36 divisors (see below), whose sum is σ = 149660560. Its totient is φ = 26835840.

The previous prime is 68028691. The next prime is 68028703. The reversal of 68028700 is 782086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68028703) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2641 + ... + 11959.

Almost surely, 2^68028700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68028700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74830280).

68028700 is an abundant number, since it is smaller than the sum of its proper divisors (81631860).

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

68028700 is a wasteful number, since it uses less digits than its factorization.

68028700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9406 (or 9399 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 68028700 is about 8247.9512607677. The cubic root of 68028700 is about 408.2229254000. Note that the first 3 decimals are identical.

The spelling of 68028700 in words is "sixty-eight million, twenty-eight thousand, seven hundred".