680012006 has 8 divisors (see below), whose sum is σ = 1020470880. Its totient is φ = 339855048.

The previous prime is 680011991. The next prime is 680012057. The reversal of 680012006 is 600210086.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

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, 69761 + ... + 78908.

It is an arithmetic number, because the mean of its divisors is an integer number (127558860).

Almost surely, 2^680012006 is an apocalyptic number.

680012006 is a deficient number, since it is larger than the sum of its proper divisors (340458874).

680012006 is a wasteful number, since it uses less digits than its factorization.

680012006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150958.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 680012006 is about 26077.0398243359. The cubic root of 680012006 is about 879.3711097283.

It can be divided in two parts, 68001 and 2006, that added together give a palindrome (70007).

The spelling of 680012006 in words is "six hundred eighty million, twelve thousand, six".