6772720127 has 2 divisors, whose sum is σ = 6772720128. Its totient is φ = 6772720126.

The previous prime is 6772720091. The next prime is 6772720189. The reversal of 6772720127 is 7210272776.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6772720127 - 2¹⁰ = 6772719103 is a prime.

It is a super-2 number, since 2×6772720127² = 91739475837341792258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6772720027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3386360063 + 3386360064.

It is an arithmetic number, because the mean of its divisors is an integer number (3386360064).

Almost surely, 2^6772720127 is an apocalyptic number.

6772720127 is a deficient number, since it is larger than the sum of its proper divisors (1).

6772720127 is an equidigital number, since it uses as much as digits as its factorization.

6772720127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115248, while the sum is 41.

The square root of 6772720127 is about 82296.5377582800. The cubic root of 6772720127 is about 1891.9996125334. Note that the first 3 decimals are identical.

The spelling of 6772720127 in words is "six billion, seven hundred seventy-two million, seven hundred twenty thousand, one hundred twenty-seven".