6720769701 has 12 divisors (see below), whose sum is σ = 9712665612. Its totient is φ = 4478257536.

The previous prime is 6720769697. The next prime is 6720769711. The reversal of 6720769701 is 1079670276.

It can be written as a sum of positive squares in 2 ways, for example, as 1486102500 + 5234667201 = 38550^2 + 72351^2 .

It is not a de Polignac number, because 6720769701 - 2² = 6720769697 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6720769711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 168996 + ... + 204941.

It is an arithmetic number, because the mean of its divisors is an integer number (809388801).

Almost surely, 2^6720769701 is an apocalyptic number.

It is an amenable number.

6720769701 is a deficient number, since it is larger than the sum of its proper divisors (2991895911).

6720769701 is a wasteful number, since it uses less digits than its factorization.

6720769701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375940 (or 375937 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 6720769701 is about 81980.3006886410. The cubic root of 6720769701 is about 1887.1496372684.

The spelling of 6720769701 in words is "six billion, seven hundred twenty million, seven hundred sixty-nine thousand, seven hundred one".