68298100 has 72 divisors (see below), whose sum is σ = 161427168. Its totient is φ = 24931200.

The previous prime is 68298091. The next prime is 68298121. The reversal of 68298100 is 189286.

It is a super-2 number, since 2×68298100² = 9329260927220000, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 138855 + ... + 139345.

It is an arithmetic number, because the mean of its divisors is an integer number (2242044).

Almost surely, 2^68298100 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 68298100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80713584).

68298100 is an abundant number, since it is smaller than the sum of its proper divisors (93129068).

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

68298100 is a wasteful number, since it uses less digits than its factorization.

68298100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 68298100 is about 8264.2664526260. The cubic root of 68298100 is about 408.7610825988.

The spelling of 68298100 in words is "sixty-eight million, two hundred ninety-eight thousand, one hundred".