68268825 has 30 divisors (see below), whose sum is σ = 126461214. Its totient is φ = 36408960.

The previous prime is 68268799. The next prime is 68268847. The reversal of 68268825 is 52886286.

It can be written as a sum of positive squares in 3 ways, for example, as 156816 + 68112009 = 396^2 + 8253^2 .

It is not a de Polignac number, because 68268825 - 2⁸ = 68268569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 29 ways as a sum of consecutive naturals, for example, 14832 + ... + 18881.

Almost surely, 2^68268825 is an apocalyptic number.

It is an amenable number.

68268825 is a deficient number, since it is larger than the sum of its proper divisors (58192389).

68268825 is a wasteful number, since it uses less digits than its factorization.

68268825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33735 (or 33721 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 68268825 is about 8262.4950832058. The cubic root of 68268825 is about 408.7026710624.

It can be divided in two parts, 6826 and 8825, that added together give a palindrome (15651).

The spelling of 68268825 in words is "sixty-eight million, two hundred sixty-eight thousand, eight hundred twenty-five".