57340769 has 2 divisors, whose sum is σ = 57340770. Its totient is φ = 57340768.

The previous prime is 57340763. The next prime is 57340819. The reversal of 57340769 is 96704375.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47100769 + 10240000 = 6863^2 + 3200^2 .

It is a cyclic number.

It is not a de Polignac number, because 57340769 - 2⁸ = 57340513 is a prime.

It is a super-2 number, since 2×57340769² = 6575927579022722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57340763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28670384 + 28670385.

It is an arithmetic number, because the mean of its divisors is an integer number (28670385).

Almost surely, 2^57340769 is an apocalyptic number.

It is an amenable number.

57340769 is a deficient number, since it is larger than the sum of its proper divisors (1).

57340769 is an equidigital number, since it uses as much as digits as its factorization.

57340769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 41.

The square root of 57340769 is about 7572.3687839407. The cubic root of 57340769 is about 385.6155196007.

The spelling of 57340769 in words is "fifty-seven million, three hundred forty thousand, seven hundred sixty-nine".