68394860 has 24 divisors (see below), whose sum is σ = 143848320. Its totient is φ = 27316224.

The previous prime is 68394817. The next prime is 68394881. The reversal of 68394860 is 6849386.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13157 + ... + 17603.

It is an arithmetic number, because the mean of its divisors is an integer number (5993680).

Almost surely, 2^68394860 is an apocalyptic number.

It is an amenable number.

68394860 is an abundant number, since it is smaller than the sum of its proper divisors (75453460).

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

68394860 is a wasteful number, since it uses less digits than its factorization.

68394860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5225 (or 5223 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 68394860 is about 8270.1184997556. The cubic root of 68394860 is about 408.9540262726.

The spelling of 68394860 in words is "sixty-eight million, three hundred ninety-four thousand, eight hundred sixty".