68516746 has 16 divisors (see below), whose sum is σ = 105288480. Its totient is φ = 33430320.

The previous prime is 68516731. The next prime is 68516753. The reversal of 68516746 is 64761586.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12261 + ... + 16951.

It is an arithmetic number, because the mean of its divisors is an integer number (6580530).

Almost surely, 2^68516746 is an apocalyptic number.

68516746 is a deficient number, since it is larger than the sum of its proper divisors (36771734).

68516746 is a wasteful number, since it uses less digits than its factorization.

68516746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869.

The product of its digits is 241920, while the sum is 43.

The square root of 68516746 is about 8277.4842796589. The cubic root of 68516746 is about 409.1968134733.

The spelling of 68516746 in words is "sixty-eight million, five hundred sixteen thousand, seven hundred forty-six".