676682749 has 2 divisors, whose sum is σ = 676682750. Its totient is φ = 676682748.

The previous prime is 676682707. The next prime is 676682761. The reversal of 676682749 is 947286676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 653160249 + 23522500 = 25557^2 + 4850^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676682749 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 676682749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676682789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338341374 + 338341375.

It is an arithmetic number, because the mean of its divisors is an integer number (338341375).

Almost surely, 2^676682749 is an apocalyptic number.

It is an amenable number.

676682749 is a deficient number, since it is larger than the sum of its proper divisors (1).

676682749 is an equidigital number, since it uses as much as digits as its factorization.

676682749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6096384, while the sum is 55.

The square root of 676682749 is about 26013.1264749165. The cubic root of 676682749 is about 877.9336629156.

The spelling of 676682749 in words is "six hundred seventy-six million, six hundred eighty-two thousand, seven hundred forty-nine".