682326749 has 4 divisors (see below), whose sum is σ = 734813436. Its totient is φ = 629840064.

The previous prime is 682326737. The next prime is 682326751. The reversal of 682326749 is 947623286.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 295221124 + 387105625 = 17182^2 + 19675^2 .

It is a cyclic number.

It is not a de Polignac number, because 682326749 - 2⁸ = 682326493 is a prime.

It is a super-4 number, since 4×682326749⁴ (a number of 36 digits) contains 4444 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 (682326769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26243324 + ... + 26243349.

It is an arithmetic number, because the mean of its divisors is an integer number (183703359).

Almost surely, 2^682326749 is an apocalyptic number.

It is an amenable number.

682326749 is a deficient number, since it is larger than the sum of its proper divisors (52486687).

682326749 is a wasteful number, since it uses less digits than its factorization.

682326749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52486686.

The product of its digits is 870912, while the sum is 47.

The square root of 682326749 is about 26121.3848982017. The cubic root of 682326749 is about 880.3677651029.

The spelling of 682326749 in words is "six hundred eighty-two million, three hundred twenty-six thousand, seven hundred forty-nine".