680237713 has 4 divisors (see below), whose sum is σ = 681481840. Its totient is φ = 678993588.

The previous prime is 680237693. The next prime is 680237729. The reversal of 680237713 is 317732086.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-680237713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680237773) 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 3 ways as a sum of consecutive naturals, for example, 621243 + ... + 622336.

It is an arithmetic number, because the mean of its divisors is an integer number (170370460).

Almost surely, 2^680237713 is an apocalyptic number.

It is an amenable number.

680237713 is a deficient number, since it is larger than the sum of its proper divisors (1244127).

680237713 is a wasteful number, since it uses less digits than its factorization.

680237713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244126.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 680237713 is about 26081.3671612513. The cubic root of 680237713 is about 879.4683914713.

Adding to 680237713 its reverse (317732086), we get a palindrome (997969799).

The spelling of 680237713 in words is "six hundred eighty million, two hundred thirty-seven thousand, seven hundred thirteen".