68204680 has 64 divisors (see below), whose sum is σ = 171072000. Its totient is φ = 24321024.

The previous prime is 68204671. The next prime is 68204701. The reversal of 68204680 is 8640286.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10281 + ... + 15559.

It is an arithmetic number, because the mean of its divisors is an integer number (2673000).

Almost surely, 2^68204680 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 68204680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85536000).

68204680 is an abundant number, since it is smaller than the sum of its proper divisors (102867320).

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

68204680 is a wasteful number, since it uses less digits than its factorization.

68204680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5326 (or 5322 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 68204680 is about 8258.6124742598. The cubic root of 68204680 is about 408.5746260482.

The spelling of 68204680 in words is "sixty-eight million, two hundred four thousand, six hundred eighty".