68561008 has 20 divisors (see below), whose sum is σ = 134710128. Its totient is φ = 33797120.

The previous prime is 68560993. The next prime is 68561027. The reversal of 68561008 is 80016586.

It is a happy number.

It is a super-2 number, since 2×68561008² = 9401223635952128, which contains 22 as substring.

It is a plaindrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29041 + ... + 31312.

Almost surely, 2^68561008 is an apocalyptic number.

It is an amenable number.

68561008 is a deficient number, since it is larger than the sum of its proper divisors (66149120).

68561008 is a wasteful number, since it uses less digits than its factorization.

68561008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60432 (or 60426 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 68561008 is about 8280.1574864250. The cubic root of 68561008 is about 409.2849085824.

The spelling of 68561008 in words is "sixty-eight million, five hundred sixty-one thousand, eight".