6713220761 has 16 divisors (see below), whose sum is σ = 7261364880. Its totient is φ = 6169681920.

The previous prime is 6713220757. The next prime is 6713220791. The reversal of 6713220761 is 1670223176.

It can be written as a sum of positive squares in 8 ways, for example, as 374035600 + 6339185161 = 19340^2 + 79619^2 .

It is a cyclic number.

It is not a de Polignac number, because 6713220761 - 2² = 6713220757 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6713220791) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3552905 + ... + 3554793.

It is an arithmetic number, because the mean of its divisors is an integer number (453835305).

Almost surely, 2^6713220761 is an apocalyptic number.

It is an amenable number.

6713220761 is a deficient number, since it is larger than the sum of its proper divisors (548144119).

6713220761 is a wasteful number, since it uses less digits than its factorization.

6713220761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2956.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 6713220761 is about 81934.2465700393. The cubic root of 6713220761 is about 1886.4428076857.

The spelling of 6713220761 in words is "six billion, seven hundred thirteen million, two hundred twenty thousand, seven hundred sixty-one".