680289792 has 320 divisors, whose sum is σ = 2317185024. Its totient is φ = 172523520.

The previous prime is 680289781. The next prime is 680289811. The reversal of 680289792 is 297982086.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4332978 + ... + 4333134.

Almost surely, 2^680289792 is an apocalyptic number.

680289792 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680289792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1158592512).

680289792 is an abundant number, since it is smaller than the sum of its proper divisors (1636895232).

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

680289792 is a wasteful number, since it uses less digits than its factorization.

680289792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 51.

The square root of 680289792 is about 26082.3655368910. The cubic root of 680289792 is about 879.4908349322.

The spelling of 680289792 in words is "six hundred eighty million, two hundred eighty-nine thousand, seven hundred ninety-two".