57840373 has 2 divisors, whose sum is σ = 57840374. Its totient is φ = 57840372.

The previous prime is 57840353. The next prime is 57840379. The reversal of 57840373 is 37304875.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45400644 + 12439729 = 6738^2 + 3527^2 .

It is a cyclic number.

It is not a de Polignac number, because 57840373 - 2⁹ = 57839861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57840379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28920186 + 28920187.

It is an arithmetic number, because the mean of its divisors is an integer number (28920187).

Almost surely, 2^57840373 is an apocalyptic number.

It is an amenable number.

57840373 is a deficient number, since it is larger than the sum of its proper divisors (1).

57840373 is an equidigital number, since it uses as much as digits as its factorization.

57840373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 57840373 is about 7605.2858591903. The cubic root of 57840373 is about 386.7322248962.

The spelling of 57840373 in words is "fifty-seven million, eight hundred forty thousand, three hundred seventy-three".