683278064 has 20 divisors (see below), whose sum is σ = 1512973104. Its totient is φ = 292833408.

The previous prime is 683278039. The next prime is 683278081. The reversal of 683278064 is 460872386.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3050237 + ... + 3050460.

Almost surely, 2^683278064 is an apocalyptic number.

It is an amenable number.

683278064 is an abundant number, since it is smaller than the sum of its proper divisors (829695040).

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

683278064 is a wasteful number, since it uses less digits than its factorization.

683278064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6100712 (or 6100706 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 683278064 is about 26139.5880610235. The cubic root of 683278064 is about 880.7767178221.

The spelling of 683278064 in words is "six hundred eighty-three million, two hundred seventy-eight thousand, sixty-four".