57868073 has 2 divisors, whose sum is σ = 57868074. Its totient is φ = 57868072.

The previous prime is 57868009. The next prime is 57868093. The reversal of 57868073 is 37086875.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57714409 + 153664 = 7597^2 + 392^2 .

It is a cyclic number.

It is not a de Polignac number, because 57868073 - 2⁶ = 57868009 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (57868093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28934036 + 28934037.

It is an arithmetic number, because the mean of its divisors is an integer number (28934037).

Almost surely, 2^57868073 is an apocalyptic number.

It is an amenable number.

57868073 is a deficient number, since it is larger than the sum of its proper divisors (1).

57868073 is an equidigital number, since it uses as much as digits as its factorization.

57868073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 57868073 is about 7607.1067430397. The cubic root of 57868073 is about 386.7939509446.

The spelling of 57868073 in words is "fifty-seven million, eight hundred sixty-eight thousand, seventy-three".