57673381 has 8 divisors (see below), whose sum is σ = 58931064. Its totient is φ = 56422080.

The previous prime is 57673349. The next prime is 57673391. The reversal of 57673381 is 18337675.

It can be written as a sum of positive squares in 4 ways, for example, as 12716356 + 44957025 = 3566^2 + 6705^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57673381 - 2⁵ = 57673349 is a prime.

It is a super-2 number, since 2×57673381² = 6652437751942322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57673391) 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 in 7 ways as a sum of consecutive naturals, for example, 19671 + ... + 22411.

It is an arithmetic number, because the mean of its divisors is an integer number (7366383).

Almost surely, 2^57673381 is an apocalyptic number.

It is an amenable number.

57673381 is a deficient number, since it is larger than the sum of its proper divisors (1257683).

57673381 is a wasteful number, since it uses less digits than its factorization.

57673381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191.

The product of its digits is 105840, while the sum is 40.

The square root of 57673381 is about 7594.2992435115. The cubic root of 57673381 is about 386.3596855815.

The spelling of 57673381 in words is "fifty-seven million, six hundred seventy-three thousand, three hundred eighty-one".