68662718 has 12 divisors (see below), whose sum is σ = 103698672. Its totient is φ = 34098060.

The previous prime is 68662717. The next prime is 68662721. The reversal of 68662718 is 81726686.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68662717) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55163 + ... + 56393.

It is an arithmetic number, because the mean of its divisors is an integer number (8641556).

Almost surely, 2^68662718 is an apocalyptic number.

68662718 is a deficient number, since it is larger than the sum of its proper divisors (35035954).

68662718 is a wasteful number, since it uses less digits than its factorization.

68662718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567 (or 1400 counting only the distinct ones).

The product of its digits is 193536, while the sum is 44.

The square root of 68662718 is about 8286.2970016769. The cubic root of 68662718 is about 409.4871994619.

The spelling of 68662718 in words is "sixty-eight million, six hundred sixty-two thousand, seven hundred eighteen".