68683356 has 96 divisors (see below), whose sum is σ = 207943680. Its totient is φ = 19196352.

The previous prime is 68683343. The next prime is 68683357. The reversal of 68683356 is 65338686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68683357) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34566 + ... + 36498.

It is an arithmetic number, because the mean of its divisors is an integer number (2166080).

Almost surely, 2^68683356 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 68683356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103971840).

68683356 is an abundant number, since it is smaller than the sum of its proper divisors (139260324).

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

68683356 is a wasteful number, since it uses less digits than its factorization.

68683356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2000 (or 1992 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 68683356 is about 8287.5422170870. The cubic root of 68683356 is about 409.5282219678.

The spelling of 68683356 in words is "sixty-eight million, six hundred eighty-three thousand, three hundred fifty-six".