6772347668 has 18 divisors (see below), whose sum is σ = 12246257898. Its totient is φ = 3276940560.

The previous prime is 6772347643. The next prime is 6772347671. The reversal of 6772347668 is 8667432776.

It can be written as a sum of positive squares in only one way, i.e., 4149678724 + 2622668944 = 64418^2 + 51212^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 877055 + ... + 884742.

It is an arithmetic number, because the mean of its divisors is an integer number (680347661).

Almost surely, 2^6772347668 is an apocalyptic number.

It is an amenable number.

6772347668 is a deficient number, since it is larger than the sum of its proper divisors (5473910230).

6772347668 is a wasteful number, since it uses less digits than its factorization.

6772347668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1761863 (or 1761830 counting only the distinct ones).

The product of its digits is 14224896, while the sum is 56.

The square root of 6772347668 is about 82294.2748190905. The cubic root of 6772347668 is about 1891.9649290193.

The spelling of 6772347668 in words is "six billion, seven hundred seventy-two million, three hundred forty-seven thousand, six hundred sixty-eight".