6749719677 has 12 divisors (see below), whose sum is σ = 9844252704. Its totient is φ = 4456125000.

The previous prime is 6749719643. The next prime is 6749719681. The reversal of 6749719677 is 7769179476.

6749719677 is a `hidden beast` number, since 67 + 497 + 19 + 6 + 77 = 666.

6749719677 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6749719677 - 2⁷ = 6749719549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6749719477) 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, 3639699 + ... + 3641552.

It is an arithmetic number, because the mean of its divisors is an integer number (820354392).

Almost surely, 2^6749719677 is an apocalyptic number.

It is an amenable number.

6749719677 is a deficient number, since it is larger than the sum of its proper divisors (3094533027).

6749719677 is a wasteful number, since it uses less digits than its factorization.

6749719677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7281360 (or 7281357 counting only the distinct ones).

The product of its digits is 28005264, while the sum is 63.

The square root of 6749719677 is about 82156.6776166125. The cubic root of 6749719677 is about 1889.8554126395.

The spelling of 6749719677 in words is "six billion, seven hundred forty-nine million, seven hundred nineteen thousand, six hundred seventy-seven".