680733546 has 32 divisors (see below), whose sum is σ = 1374943680. Its totient is φ = 224674176.

The previous prime is 680733517. The next prime is 680733569. The reversal of 680733546 is 645337086.

It is a junction number, because it is equal to n+sod(n) for n = 680733498 and 680733507.

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, 417585 + ... + 419211.

It is an arithmetic number, because the mean of its divisors is an integer number (42966990).

Almost surely, 2^680733546 is an apocalyptic number.

680733546 is an abundant number, since it is smaller than the sum of its proper divisors (694210134).

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

680733546 is a wasteful number, since it uses less digits than its factorization.

680733546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278.

The product of its (nonzero) digits is 362880, while the sum is 42.

The square root of 680733546 is about 26090.8709321862. The cubic root of 680733546 is about 879.6820244085.

The spelling of 680733546 in words is "six hundred eighty million, seven hundred thirty-three thousand, five hundred forty-six".