676728196 has 9 divisors (see below), whose sum is σ = 1184365399. Its totient is φ = 338338084.

The previous prime is 676728131. The next prime is 676728203. The reversal of 676728196 is 691827676.

It is a happy number.

The square root of 676728196 is 26014.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×676728196² = 915922102522828832, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable 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 in 2 ways as a sum of consecutive naturals, for example, 45525 + ... + 58531.

Almost surely, 2^676728196 is an apocalyptic number.

676728196 is the 26014-th square number.

It is an amenable number.

676728196 is a deficient number, since it is larger than the sum of its proper divisors (507637203).

676728196 is an frugal number, since it uses more digits than its factorization.

676728196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26018 (or 13009 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 52.

The cubic root of 676728196 is about 877.9533169105.

The spelling of 676728196 in words is "six hundred seventy-six million, seven hundred twenty-eight thousand, one hundred ninety-six".