68583900 has 144 divisors (see below), whose sum is σ = 247484160. Its totient is φ = 14246400.

The previous prime is 68583841. The next prime is 68583913. The reversal of 68583900 is 938586.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21616 + ... + 24584.

It is an arithmetic number, because the mean of its divisors is an integer number (1718640).

Almost surely, 2^68583900 is an apocalyptic number.

68583900 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 68583900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123742080).

68583900 is an abundant number, since it is smaller than the sum of its proper divisors (178900260).

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

68583900 is a wasteful number, since it uses less digits than its factorization.

68583900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004 (or 2997 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 68583900 is about 8281.5397119135. The cubic root of 68583900 is about 409.3304558879.

The spelling of 68583900 in words is "sixty-eight million, five hundred eighty-three thousand, nine hundred".