683752 has 8 divisors (see below), whose sum is σ = 1282050. Its totient is φ = 341872.

The previous prime is 683747. The next prime is 683759. The reversal of 683752 is 257386.

It can be written as a sum of positive squares in only one way, i.e., 427716 + 256036 = 654^2 + 506^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (683759) by changing a digit.

683752 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 42727 + ... + 42742.

2⁶⁸³⁷⁵² is an apocalyptic number.

It is an amenable number.

683752 is a deficient number, since it is larger than the sum of its proper divisors (598298).

683752 is a wasteful number, since it uses less digits than its factorization.

683752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85475 (or 85471 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 683752 is about 826.8929797743. The cubic root of 683752 is about 88.0980312493.

It can be divided in two parts, 6837 and 52, that added together give a square (6889 = 83²).

The spelling of 683752 in words is "six hundred eighty-three thousand, seven hundred fifty-two".