680068048 has 80 divisors (see below), whose sum is σ = 1535187456. Its totient is φ = 288731520.

The previous prime is 680068021. The next prime is 680068087. The reversal of 680068048 is 840860086.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 680068048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172111 + ... + 176017.

Almost surely, 2^680068048 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 680068048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767593728).

680068048 is an abundant number, since it is smaller than the sum of its proper divisors (855119408).

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

680068048 is a wasteful number, since it uses less digits than its factorization.

680068048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3992 (or 3986 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 40.

The square root of 680068048 is about 26078.1143490092. The cubic root of 680068048 is about 879.3952663420.

The spelling of 680068048 in words is "six hundred eighty million, sixty-eight thousand, forty-eight".