68340860 has 24 divisors (see below), whose sum is σ = 164018400. Its totient is φ = 23431104.

The previous prime is 68340851. The next prime is 68340863. The reversal of 68340860 is 6804386.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 68340860.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68340863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243935 + ... + 244214.

It is an arithmetic number, because the mean of its divisors is an integer number (6834100).

Almost surely, 2^68340860 is an apocalyptic number.

It is an amenable number.

68340860 is an abundant number, since it is smaller than the sum of its proper divisors (95677540).

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

68340860 is a wasteful number, since it uses less digits than its factorization.

68340860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488165 (or 488163 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 68340860 is about 8266.8530892958. The cubic root of 68340860 is about 408.8463703666.

The spelling of 68340860 in words is "sixty-eight million, three hundred forty thousand, eight hundred sixty".