680849130 has 64 divisors (see below), whose sum is σ = 1792990080. Its totient is φ = 164426496.

The previous prime is 680849053. The next prime is 680849137. The reversal of 680849130 is 31948086.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (680849137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4201 + ... + 37139.

It is an arithmetic number, because the mean of its divisors is an integer number (28015470).

Almost surely, 2^680849130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680849130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (896495040).

680849130 is an abundant number, since it is smaller than the sum of its proper divisors (1112140950).

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

680849130 is a wasteful number, since it uses less digits than its factorization.

680849130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33015.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 680849130 is about 26093.0858657998. The cubic root of 680849130 is about 879.7318096309.

The spelling of 680849130 in words is "six hundred eighty million, eight hundred forty-nine thousand, one hundred thirty".