6772709765 has 8 divisors (see below), whose sum is σ = 8129620728. Its totient is φ = 5416588480.

The previous prime is 6772709761. The next prime is 6772709767. The reversal of 6772709765 is 5679072776.

It can be written as a sum of positive squares in 4 ways, for example, as 1254151396 + 5518558369 = 35414^2 + 74287^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6772709765 - 2² = 6772709761 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6772709765.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6772709761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178382 + ... + 212991.

It is an arithmetic number, because the mean of its divisors is an integer number (1016202591).

Almost surely, 2^6772709765 is an apocalyptic number.

It is an amenable number.

6772709765 is a deficient number, since it is larger than the sum of its proper divisors (1356910963).

6772709765 is a wasteful number, since it uses less digits than its factorization.

6772709765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394839.

The product of its (nonzero) digits is 7779240, while the sum is 56.

The square root of 6772709765 is about 82296.4748029951. The cubic root of 6772709765 is about 1891.9986476375.

The spelling of 6772709765 in words is "six billion, seven hundred seventy-two million, seven hundred nine thousand, seven hundred sixty-five".