680650306 has 8 divisors (see below), whose sum is σ = 1166829120. Its totient is φ = 291707268.

The previous prime is 680650303. The next prime is 680650309. The reversal of 680650306 is 603056086.

It is an interprime number because it is at equal distance from previous prime (680650303) and next prime (680650309).

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

It is not an unprimeable number, because it can be changed into a prime (680650303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24308926 + ... + 24308953.

It is an arithmetic number, because the mean of its divisors is an integer number (145853640).

Almost surely, 2^680650306 is an apocalyptic number.

680650306 is a deficient number, since it is larger than the sum of its proper divisors (486178814).

680650306 is a wasteful number, since it uses less digits than its factorization.

680650306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48617888.

The product of its (nonzero) digits is 25920, while the sum is 34.

The square root of 680650306 is about 26089.2756894476. The cubic root of 680650306 is about 879.6461671498.

The spelling of 680650306 in words is "six hundred eighty million, six hundred fifty thousand, three hundred six".