680745382 has 16 divisors (see below), whose sum is σ = 1085836752. Its totient is φ = 318972160.

The previous prime is 680745379. The next prime is 680745407. The reversal of 680745382 is 283547086.

It is a super-2 number, since 2×680745382² = 926828550228651848, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35044 + ... + 50887.

It is an arithmetic number, because the mean of its divisors is an integer number (67864797).

Almost surely, 2^680745382 is an apocalyptic number.

680745382 is a deficient number, since it is larger than the sum of its proper divisors (405091370).

680745382 is a wasteful number, since it uses less digits than its factorization.

680745382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86183.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 680745382 is about 26091.0977538317. The cubic root of 680745382 is about 879.6871227597.

The spelling of 680745382 in words is "six hundred eighty million, seven hundred forty-five thousand, three hundred eighty-two".