676834281 has 24 divisors (see below), whose sum is σ = 992135144. Its totient is φ = 444579840.

The previous prime is 676834261. The next prime is 676834289. The reversal of 676834281 is 182438676.

It can be written as a sum of positive squares in 4 ways, for example, as 302760000 + 374074281 = 17400^2 + 19341^2 .

It is not a de Polignac number, because 676834281 - 2⁶ = 676834217 is a prime.

It is a super-2 number, since 2×676834281² = 916209287873573922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676834289) 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 23 ways as a sum of consecutive naturals, for example, 208785 + ... + 212001.

Almost surely, 2^676834281 is an apocalyptic number.

It is an amenable number.

676834281 is a deficient number, since it is larger than the sum of its proper divisors (315300863).

676834281 is a wasteful number, since it uses less digits than its factorization.

676834281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561 (or 3558 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 676834281 is about 26016.0389183288. The cubic root of 676834281 is about 877.9991909714. Note that the first 3 decimals are identical.

The spelling of 676834281 in words is "six hundred seventy-six million, eight hundred thirty-four thousand, two hundred eighty-one".