680220734754 has 32 divisors (see below), whose sum is σ = 1486470067200. Its totient is φ = 205800814800.

The previous prime is 680220734741. The next prime is 680220734801. The reversal of 680220734754 is 457437022086.

It is a Curzon 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, 8125054 + ... + 8208345.

It is an arithmetic number, because the mean of its divisors is an integer number (46452189600).

Almost surely, 2^680220734754 is an apocalyptic number.

680220734754 is an abundant number, since it is smaller than the sum of its proper divisors (806249332446).

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

680220734754 is a wasteful number, since it uses less digits than its factorization.

680220734754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16334046.

The product of its (nonzero) digits is 2257920, while the sum is 48.

The spelling of 680220734754 in words is "six hundred eighty billion, two hundred twenty million, seven hundred thirty-four thousand, seven hundred fifty-four".