6682749577 has 32 divisors (see below), whose sum is σ = 8027873280. Its totient is φ = 5442560640.

The previous prime is 6682749551. The next prime is 6682749581. The reversal of 6682749577 is 7759472866.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6682749577 - 2¹¹ = 6682747529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6682749547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6091293 + ... + 6092389.

It is an arithmetic number, because the mean of its divisors is an integer number (250871040).

Almost surely, 2^6682749577 is an apocalyptic number.

6682749577 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

6682749577 is a deficient number, since it is larger than the sum of its proper divisors (1345123703).

6682749577 is a wasteful number, since it uses less digits than its factorization.

6682749577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1621.

The product of its digits is 35562240, while the sum is 61.

The square root of 6682749577 is about 81748.0860754550. The cubic root of 6682749577 is about 1883.5843021559.

The spelling of 6682749577 in words is "six billion, six hundred eighty-two million, seven hundred forty-nine thousand, five hundred seventy-seven".