57070873 has 2 divisors, whose sum is σ = 57070874. Its totient is φ = 57070872.

The previous prime is 57070859. The next prime is 57070891. The reversal of 57070873 is 37807075.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49519369 + 7551504 = 7037^2 + 2748^2 .

It is a cyclic number.

It is not a de Polignac number, because 57070873 - 2⁵ = 57070841 is a prime.

It is not a weakly prime, because it can be changed into another prime (57070973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28535436 + 28535437.

It is an arithmetic number, because the mean of its divisors is an integer number (28535437).

Almost surely, 2^57070873 is an apocalyptic number.

It is an amenable number.

57070873 is a deficient number, since it is larger than the sum of its proper divisors (1).

57070873 is an equidigital number, since it uses as much as digits as its factorization.

57070873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 57070873 is about 7554.5266562505. The cubic root of 57070873 is about 385.0095528073.

The spelling of 57070873 in words is "fifty-seven million, seventy thousand, eight hundred seventy-three".