68660860 has 12 divisors (see below), whose sum is σ = 144187848. Its totient is φ = 27464336.

The previous prime is 68660849. The next prime is 68660861. The reversal of 68660860 is 6806686.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68660861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1716502 + ... + 1716541.

It is an arithmetic number, because the mean of its divisors is an integer number (12015654).

Almost surely, 2^68660860 is an apocalyptic number.

It is an amenable number.

68660860 is an abundant number, since it is smaller than the sum of its proper divisors (75526988).

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

68660860 is a wasteful number, since it uses less digits than its factorization.

68660860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433052 (or 3433050 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 68660860 is about 8286.1848881135. The cubic root of 68660860 is about 409.4835058802.

The spelling of 68660860 in words is "sixty-eight million, six hundred sixty thousand, eight hundred sixty".