68806946 has 32 divisors (see below), whose sum is σ = 113836800. Its totient is φ = 31000320.

The previous prime is 68806909. The next prime is 68806951. The reversal of 68806946 is 64960886.

It is a self number, because there is not a number n which added to its sum of digits gives 68806946.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 285386 + ... + 285626.

It is an arithmetic number, because the mean of its divisors is an integer number (3557400).

Almost surely, 2^68806946 is an apocalyptic number.

68806946 is a deficient number, since it is larger than the sum of its proper divisors (45029854).

68806946 is a wasteful number, since it uses less digits than its factorization.

68806946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474.

The product of its (nonzero) digits is 497664, while the sum is 47.

The square root of 68806946 is about 8294.9952380939. The cubic root of 68806946 is about 409.7737121316.

The spelling of 68806946 in words is "sixty-eight million, eight hundred six thousand, nine hundred forty-six".