68683100 has 72 divisors (see below), whose sum is σ = 161291760. Its totient is φ = 25297920.

The previous prime is 68683099. The next prime is 68683123. The reversal of 68683100 is 138686.

It is a super-2 number, since 2×68683100² = 9434736451220000, 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, 69812 + ... + 70788.

Almost surely, 2^68683100 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 68683100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80645880).

68683100 is an abundant number, since it is smaller than the sum of its proper divisors (92608660).

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

68683100 is a wasteful number, since it uses less digits than its factorization.

68683100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1047 (or 1040 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 68683100 is about 8287.5267722041. The cubic root of 68683100 is about 409.5277131625.

The spelling of 68683100 in words is "sixty-eight million, six hundred eighty-three thousand, one hundred".