6726765736 has 8 divisors (see below), whose sum is σ = 12612685770. Its totient is φ = 3363382864.

The previous prime is 6726765713. The next prime is 6726765791. The reversal of 6726765736 is 6375676276.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6702696900 + 24068836 = 81870^2 + 4906^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420422851 + ... + 420422866.

Almost surely, 2^6726765736 is an apocalyptic number.

It is an amenable number.

6726765736 is a deficient number, since it is larger than the sum of its proper divisors (5885920034).

6726765736 is a wasteful number, since it uses less digits than its factorization.

6726765736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840845723 (or 840845719 counting only the distinct ones).

The product of its digits is 13335840, while the sum is 55.

The square root of 6726765736 is about 82016.8625100961. The cubic root of 6726765736 is about 1887.7106866905.

The spelling of 6726765736 in words is "six billion, seven hundred twenty-six million, seven hundred sixty-five thousand, seven hundred thirty-six".