68824805 has 32 divisors (see below), whose sum is σ = 98211840. Its totient is φ = 45308160.

The previous prime is 68824799. The next prime is 68824817. The reversal of 68824805 is 50842886.

It is not a de Polignac number, because 68824805 - 2⁶ = 68824741 is a prime.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 248327 + ... + 248603.

It is an arithmetic number, because the mean of its divisors is an integer number (3069120).

Almost surely, 2^68824805 is an apocalyptic number.

It is an amenable number.

68824805 is a deficient number, since it is larger than the sum of its proper divisors (29387035).

68824805 is a wasteful number, since it uses less digits than its factorization.

68824805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549.

The product of its (nonzero) digits is 122880, while the sum is 41.

The square root of 68824805 is about 8296.0716607320. The cubic root of 68824805 is about 409.8091616324.

The spelling of 68824805 in words is "sixty-eight million, eight hundred twenty-four thousand, eight hundred five".