57748073 has 2 divisors, whose sum is σ = 57748074. Its totient is φ = 57748072.

The previous prime is 57748069. The next prime is 57748081. The reversal of 57748073 is 37084775.

57748073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45265984 + 12482089 = 6728^2 + 3533^2 .

It is a cyclic number.

It is not a de Polignac number, because 57748073 - 2² = 57748069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57748073.

It is not a weakly prime, because it can be changed into another prime (57748003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28874036 + 28874037.

It is an arithmetic number, because the mean of its divisors is an integer number (28874037).

Almost surely, 2^57748073 is an apocalyptic number.

It is an amenable number.

57748073 is a deficient number, since it is larger than the sum of its proper divisors (1).

57748073 is an equidigital number, since it uses as much as digits as its factorization.

57748073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 57748073 is about 7599.2152884360. The cubic root of 57748073 is about 386.5264033303.

The spelling of 57748073 in words is "fifty-seven million, seven hundred forty-eight thousand, seventy-three".