6746433781 has 8 divisors (see below), whose sum is σ = 6823406304. Its totient is φ = 6669719280.

The previous prime is 6746433779. The next prime is 6746433809. The reversal of 6746433781 is 1873346476.

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 6746433781 - 2¹ = 6746433779 is a prime.

It is a super-2 number, since 2×6746433781² = 91028737522835911922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6746433581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11670 + ... + 116743.

It is an arithmetic number, because the mean of its divisors is an integer number (852925788).

Almost surely, 2^6746433781 is an apocalyptic number.

It is an amenable number.

6746433781 is a deficient number, since it is larger than the sum of its proper divisors (76972523).

6746433781 is a wasteful number, since it uses less digits than its factorization.

6746433781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129011.

The product of its digits is 2032128, while the sum is 49.

The square root of 6746433781 is about 82136.6774407146. The cubic root of 6746433781 is about 1889.5486899603.

The spelling of 6746433781 in words is "six billion, seven hundred forty-six million, four hundred thirty-three thousand, seven hundred eighty-one".