68721676 has 12 divisors (see below), whose sum is σ = 121712472. Its totient is φ = 33946688.

The previous prime is 68721671. The next prime is 68721721. The reversal of 68721676 is 67612786.

It is not an unprimeable number, because it can be changed into a prime (68721671) 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, 103165 + ... + 103828.

It is an arithmetic number, because the mean of its divisors is an integer number (10142706).

Almost surely, 2^68721676 is an apocalyptic number.

It is an amenable number.

68721676 is a deficient number, since it is larger than the sum of its proper divisors (52990796).

68721676 is a wasteful number, since it uses less digits than its factorization.

68721676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207080 (or 207078 counting only the distinct ones).

The product of its digits is 169344, while the sum is 43.

The square root of 68721676 is about 8289.8537984695. The cubic root of 68721676 is about 409.6043694984.

The spelling of 68721676 in words is "sixty-eight million, seven hundred twenty-one thousand, six hundred seventy-six".