6780749071 has 8 divisors (see below), whose sum is σ = 7303809024. Its totient is φ = 6276709560.

The previous prime is 6780749069. The next prime is 6780749083. The reversal of 6780749071 is 1709470876.

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 6780749071 - 2¹ = 6780749069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6780749021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4754371 + ... + 4755796.

It is an arithmetic number, because the mean of its divisors is an integer number (912976128).

Almost surely, 2^6780749071 is an apocalyptic number.

6780749071 is a deficient number, since it is larger than the sum of its proper divisors (523059953).

6780749071 is a wasteful number, since it uses less digits than its factorization.

6780749071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9510221.

The product of its (nonzero) digits is 592704, while the sum is 49.

The square root of 6780749071 is about 82345.3038794563. The cubic root of 6780749071 is about 1892.7469616933.

The spelling of 6780749071 in words is "six billion, seven hundred eighty million, seven hundred forty-nine thousand, seventy-one".