680897376 has 72 divisors (see below), whose sum is σ = 2038228920. Its totient is φ = 215018496.

The previous prime is 680897363. The next prime is 680897387. The reversal of 680897376 is 673798086.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56745 + ... + 67688.

It is an arithmetic number, because the mean of its divisors is an integer number (28308735).

Almost surely, 2^680897376 is an apocalyptic number.

It is an amenable number.

680897376 is an abundant number, since it is smaller than the sum of its proper divisors (1357331544).

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

680897376 is a wasteful number, since it uses less digits than its factorization.

680897376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124468 (or 124457 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 54.

The square root of 680897376 is about 26094.0103472042. The cubic root of 680897376 is about 879.7525888493.

The spelling of 680897376 in words is "six hundred eighty million, eight hundred ninety-seven thousand, three hundred seventy-six".