6747554761 has 8 divisors (see below), whose sum is σ = 6850383944. Its totient is φ = 6645006720.

The previous prime is 6747554753. The next prime is 6747554777. The reversal of 6747554761 is 1674557476.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1508545600 + 5239009161 = 38840^2 + 72381^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6747554761 - 2³ = 6747554753 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6747554699 and 6747554708.

It is not an unprimeable number, because it can be changed into a prime (6747554731) 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, 21666 + ... + 118171.

It is an arithmetic number, because the mean of its divisors is an integer number (856297993).

Almost surely, 2^6747554761 is an apocalyptic number.

It is an amenable number.

6747554761 is a deficient number, since it is larger than the sum of its proper divisors (102829183).

6747554761 is a wasteful number, since it uses less digits than its factorization.

6747554761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140571.

The product of its digits is 4939200, while the sum is 52.

The square root of 6747554761 is about 82143.5010271659. The cubic root of 6747554761 is about 1889.6533392735.

The spelling of 6747554761 in words is "six billion, seven hundred forty-seven million, five hundred fifty-four thousand, seven hundred sixty-one".