68709706 has 16 divisors (see below), whose sum is σ = 112652064. Its totient is φ = 31238064.

The previous prime is 68709701. The next prime is 68709731. The reversal of 68709706 is 60790786.

It is not an unprimeable number, because it can be changed into a prime (68709701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17980 + ... + 21463.

It is an arithmetic number, because the mean of its divisors is an integer number (7040754).

Almost surely, 2^68709706 is an apocalyptic number.

68709706 is a deficient number, since it is larger than the sum of its proper divisors (43942358).

68709706 is a wasteful number, since it uses less digits than its factorization.

68709706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39525.

The product of its (nonzero) digits is 127008, while the sum is 43.

The square root of 68709706 is about 8289.1318001344. The cubic root of 68709706 is about 409.5805863716.

The spelling of 68709706 in words is "sixty-eight million, seven hundred nine thousand, seven hundred six".