680731254 has 96 divisors (see below), whose sum is σ = 1744444416. Its totient is φ = 187790400.

The previous prime is 680731243. The next prime is 680731267. The reversal of 680731254 is 452137086.

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 47 ways as a sum of consecutive naturals, for example, 703479 + ... + 704445.

It is an arithmetic number, because the mean of its divisors is an integer number (18171296).

Almost surely, 2^680731254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 680731254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (872222208).

680731254 is an abundant number, since it is smaller than the sum of its proper divisors (1063713162).

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

680731254 is a wasteful number, since it uses less digits than its factorization.

680731254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1170 (or 1167 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 680731254 is about 26090.8270087401. The cubic root of 680731254 is about 879.6810371238.

The spelling of 680731254 in words is "six hundred eighty million, seven hundred thirty-one thousand, two hundred fifty-four".