6762047661 has 12 divisors (see below), whose sum is σ = 9816487200. Its totient is φ = 4485377160.

The previous prime is 6762047641. The next prime is 6762047671. The reversal of 6762047661 is 1667402676.

It is a happy number.

6762047661 is a `hidden beast` number, since 67 + 62 + 0 + 476 + 61 = 666.

It is not a de Polignac number, because 6762047661 - 2⁵ = 6762047629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6762047641) 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, 1885995 + ... + 1889576.

It is an arithmetic number, because the mean of its divisors is an integer number (818040600).

Almost surely, 2^6762047661 is an apocalyptic number.

It is an amenable number.

6762047661 is a deficient number, since it is larger than the sum of its proper divisors (3054439539).

6762047661 is a wasteful number, since it uses less digits than its factorization.

6762047661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3775776 (or 3775773 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The square root of 6762047661 is about 82231.6706689096. The cubic root of 6762047661 is about 1891.0052844638.

It can be divided in two parts, 676204 and 7661, that added together give a triangular number (683865 = T₁₁₆₉).

The spelling of 6762047661 in words is "six billion, seven hundred sixty-two million, forty-seven thousand, six hundred sixty-one".