680552772 has 48 divisors (see below), whose sum is σ = 1692577152. Its totient is φ = 212083200.

The previous prime is 680552759. The next prime is 680552779. The reversal of 680552772 is 277255086.

It is not an unprimeable number, because it can be changed into a prime (680552779) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19758 + ... + 41850.

It is an arithmetic number, because the mean of its divisors is an integer number (35262024).

Almost surely, 2^680552772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680552772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846288576).

680552772 is an abundant number, since it is smaller than the sum of its proper divisors (1012024380).

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

680552772 is a wasteful number, since it uses less digits than its factorization.

680552772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22268 (or 22266 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 680552772 is about 26087.4063869906. The cubic root of 680552772 is about 879.6041487512.

The spelling of 680552772 in words is "six hundred eighty million, five hundred fifty-two thousand, seven hundred seventy-two".