683748904 has 8 divisors (see below), whose sum is σ = 1282029210. Its totient is φ = 341874448.

The previous prime is 683748893. The next prime is 683748907. The reversal of 683748904 is 409847386.

It can be written as a sum of positive squares in only one way, i.e., 394816900 + 288932004 = 19870^2 + 16998^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (683748907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42734299 + ... + 42734314.

Almost surely, 2^683748904 is an apocalyptic number.

It is an amenable number.

683748904 is a deficient number, since it is larger than the sum of its proper divisors (598280306).

683748904 is a wasteful number, since it uses less digits than its factorization.

683748904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85468619 (or 85468615 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 49.

The square root of 683748904 is about 26148.5927728434. The cubic root of 683748904 is about 880.9789828109.

The spelling of 683748904 in words is "six hundred eighty-three million, seven hundred forty-eight thousand, nine hundred four".