57674389 has 2 divisors, whose sum is σ = 57674390. Its totient is φ = 57674388.

The previous prime is 57674377. The next prime is 57674399. The reversal of 57674389 is 98347675.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57380625 + 293764 = 7575^2 + 542^2 .

It is a cyclic number.

It is not a de Polignac number, because 57674389 - 2²³ = 49285781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57674369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28837194 + 28837195.

It is an arithmetic number, because the mean of its divisors is an integer number (28837195).

Almost surely, 2^57674389 is an apocalyptic number.

It is an amenable number.

57674389 is a deficient number, since it is larger than the sum of its proper divisors (1).

57674389 is an equidigital number, since it uses as much as digits as its factorization.

57674389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1270080, while the sum is 49.

The square root of 57674389 is about 7594.3656087918. The cubic root of 57674389 is about 386.3619364656.

The spelling of 57674389 in words is "fifty-seven million, six hundred seventy-four thousand, three hundred eighty-nine".