680312073 has 64 divisors (see below), whose sum is σ = 1114122240. Its totient is φ = 361041408.

The previous prime is 680312051. The next prime is 680312111. The reversal of 680312073 is 370213086.

It is not a de Polignac number, because 680312073 - 2⁵ = 680312041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 680312073.

It is not an unprimeable number, because it can be changed into a prime (680310073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2173365 + ... + 2173677.

It is an arithmetic number, because the mean of its divisors is an integer number (17408160).

Almost surely, 2^680312073 is an apocalyptic number.

It is an amenable number.

680312073 is a deficient number, since it is larger than the sum of its proper divisors (433810167).

680312073 is a wasteful number, since it uses less digits than its factorization.

680312073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 680312073 is about 26082.7926610630. The cubic root of 680312073 is about 879.5004365861.

The spelling of 680312073 in words is "six hundred eighty million, three hundred twelve thousand, seventy-three".