680034900 has 36 divisors (see below), whose sum is σ = 1967568512. Its totient is φ = 181342560.

The previous prime is 680034889. The next prime is 680034907. The reversal of 680034900 is 9430086.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680034907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1133092 + ... + 1133691.

Almost surely, 2^680034900 is an apocalyptic number.

680034900 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

680034900 is an abundant number, since it is smaller than the sum of its proper divisors (1287533612).

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

680034900 is a wasteful number, since it uses less digits than its factorization.

680034900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2266800 (or 2266793 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 680034900 is about 26077.4787891775. The cubic root of 680034900 is about 879.3809782287.

Adding to 680034900 its reverse (9430086), we get a palindrome (689464986).

The spelling of 680034900 in words is "six hundred eighty million, thirty-four thousand, nine hundred".