68824946 has 32 divisors (see below), whose sum is σ = 110160000. Its totient is φ = 32199552.

The previous prime is 68824939. The next prime is 68824949. The reversal of 68824946 is 64942886.

It is a self number, because there is not a number n which added to its sum of digits gives 68824946.

It is not an unprimeable number, because it can be changed into a prime (68824949) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 345755 + ... + 345953.

It is an arithmetic number, because the mean of its divisors is an integer number (3442500).

Almost surely, 2^68824946 is an apocalyptic number.

68824946 is a deficient number, since it is larger than the sum of its proper divisors (41335054).

68824946 is a wasteful number, since it uses less digits than its factorization.

68824946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386.

The product of its digits is 663552, while the sum is 47.

The square root of 68824946 is about 8296.0801587256. The cubic root of 68824946 is about 409.8094414882.

The spelling of 68824946 in words is "sixty-eight million, eight hundred twenty-four thousand, nine hundred forty-six".