68103568 has 20 divisors (see below), whose sum is σ = 142101148. Its totient is φ = 31432320.

The previous prime is 68103551. The next prime is 68103589. The reversal of 68103568 is 86530186.

It can be written as a sum of positive squares in 2 ways, for example, as 3268864 + 64834704 = 1808^2 + 8052^2 .

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 3 ways as a sum of consecutive naturals, for example, 163503 + ... + 163918.

Almost surely, 2^68103568 is an apocalyptic number.

It is an amenable number.

68103568 is an abundant number, since it is smaller than the sum of its proper divisors (73997580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68103568 is a wasteful number, since it uses less digits than its factorization.

68103568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327442 (or 327436 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 68103568 is about 8252.4885943575. The cubic root of 68103568 is about 408.3726251052.

The spelling of 68103568 in words is "sixty-eight million, one hundred three thousand, five hundred sixty-eight".