6726740766 has 32 divisors (see below), whose sum is σ = 13515310080. Its totient is φ = 2231960064.

The previous prime is 6726740749. The next prime is 6726740777. The reversal of 6726740766 is 6670476276.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2442046 + ... + 2444798.

It is an arithmetic number, because the mean of its divisors is an integer number (422353440).

Almost surely, 2^6726740766 is an apocalyptic number.

6726740766 is an abundant number, since it is smaller than the sum of its proper divisors (6788569314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6726740766 is a wasteful number, since it uses less digits than its factorization.

6726740766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4480.

The product of its (nonzero) digits is 3556224, while the sum is 51.

The square root of 6726740766 is about 82016.7102851608. The cubic root of 6726740766 is about 1887.7083509372.

The spelling of 6726740766 in words is "six billion, seven hundred twenty-six million, seven hundred forty thousand, seven hundred sixty-six".