68756825 has 12 divisors (see below), whose sum is σ = 88199340. Its totient is φ = 53108160.

The previous prime is 68756803. The next prime is 68756833. The reversal of 68756825 is 52865786.

It can be written as a sum of positive squares in 6 ways, for example, as 1713481 + 67043344 = 1309^2 + 8188^2 .

It is not a de Polignac number, because 68756825 - 2¹⁰ = 68755801 is a prime.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 68756825.

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 11 ways as a sum of consecutive naturals, for example, 46694 + ... + 48143.

It is an arithmetic number, because the mean of its divisors is an integer number (7349945).

Almost surely, 2^68756825 is an apocalyptic number.

It is an amenable number.

68756825 is a deficient number, since it is larger than the sum of its proper divisors (19442515).

68756825 is a wasteful number, since it uses less digits than its factorization.

68756825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94876 (or 94871 counting only the distinct ones).

The product of its digits is 806400, while the sum is 47.

The square root of 68756825 is about 8291.9735286601. The cubic root of 68756825 is about 409.6741908946.

The spelling of 68756825 in words is "sixty-eight million, seven hundred fifty-six thousand, eight hundred twenty-five".