6832720057 has 2 divisors, whose sum is σ = 6832720058. Its totient is φ = 6832720056.

The previous prime is 6832720051. The next prime is 6832720067. The reversal of 6832720057 is 7500272386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3604321296 + 3228398761 = 60036^2 + 56819^2 .

It is a cyclic number.

It is not a de Polignac number, because 6832720057 - 2³ = 6832720049 is a prime.

It is not a weakly prime, because it can be changed into another prime (6832720051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3416360028 + 3416360029.

It is an arithmetic number, because the mean of its divisors is an integer number (3416360029).

Almost surely, 2^6832720057 is an apocalyptic number.

It is an amenable number.

6832720057 is a deficient number, since it is larger than the sum of its proper divisors (1).

6832720057 is an equidigital number, since it uses as much as digits as its factorization.

6832720057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 6832720057 is about 82660.2689143944. The cubic root of 6832720057 is about 1897.5703067322.

The spelling of 6832720057 in words is "six billion, eight hundred thirty-two million, seven hundred twenty thousand, fifty-seven".