680650304 has 28 divisors (see below), whose sum is σ = 1369698048. Its totient is φ = 335529600.

The previous prime is 680650303. The next prime is 680650309. The reversal of 680650304 is 403056086.

It is a Harshad number since it is a multiple of its sum of digits (32).

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

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, 70352 + ... + 79439.

Almost surely, 2^680650304 is an apocalyptic number.

680650304 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

680650304 is an abundant number, since it is smaller than the sum of its proper divisors (689047744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

680650304 is a wasteful number, since it uses less digits than its factorization.

680650304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149874 (or 149864 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 680650304 is about 26089.2756511176. The cubic root of 680650304 is about 879.6461662882.

The spelling of 680650304 in words is "six hundred eighty million, six hundred fifty thousand, three hundred four".