6740740777 has 8 divisors (see below), whose sum is σ = 6752592000. Its totient is φ = 6728901984.

The previous prime is 6740740753. The next prime is 6740740793. The reversal of 6740740777 is 7770470476.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6740740777 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6740740777.

It is not an unprimeable number, because it can be changed into a prime (6740740277) 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, 2187724 + ... + 2190802.

It is an arithmetic number, because the mean of its divisors is an integer number (844074000).

Almost surely, 2^6740740777 is an apocalyptic number.

It is an amenable number.

6740740777 is a deficient number, since it is larger than the sum of its proper divisors (11851223).

6740740777 is a wasteful number, since it uses less digits than its factorization.

6740740777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6215.

The product of its (nonzero) digits is 1613472, while the sum is 49.

The square root of 6740740777 is about 82102.0144515346. The cubic root of 6740740777 is about 1889.0170394194.

The spelling of 6740740777 in words is "six billion, seven hundred forty million, seven hundred forty thousand, seven hundred seventy-seven".