682735997 has 12 divisors (see below), whose sum is σ = 730732860. Its totient is φ = 635630976.

The previous prime is 682735981. The next prime is 682736003. The reversal of 682735997 is 799537286.

It can be written as a sum of positive squares in 2 ways, for example, as 504406681 + 178329316 = 22459^2 + 13354^2 .

It is not a de Polignac number, because 682735997 - 2⁴ = 682735981 is a prime.

It is a super-2 number, since 2×682735997² = 932256883199168018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682735957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1124468 + ... + 1125074.

It is an arithmetic number, because the mean of its divisors is an integer number (60894405).

Almost surely, 2^682735997 is an apocalyptic number.

It is an amenable number.

682735997 is a deficient number, since it is larger than the sum of its proper divisors (47996863).

682735997 is an equidigital number, since it uses as much as digits as its factorization.

682735997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1340 (or 733 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 56.

The square root of 682735997 is about 26129.2173055375. The cubic root of 682735997 is about 880.5437398052.

It can be divided in two parts, 6827 and 35997, that added together give a palindrome (42824).

The spelling of 682735997 in words is "six hundred eighty-two million, seven hundred thirty-five thousand, nine hundred ninety-seven".