57682769 has 8 divisors (see below), whose sum is σ = 60345000. Its totient is φ = 55065472.

The previous prime is 57682763. The next prime is 57682783. The reversal of 57682769 is 96728675.

It can be written as a sum of positive squares in 4 ways, for example, as 150544 + 57532225 = 388^2 + 7585^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57682769 is a prime.

It is a super-2 number, since 2×57682769² = 6654603679014722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57682763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8594 + ... + 13755.

It is an arithmetic number, because the mean of its divisors is an integer number (7543125).

Almost surely, 2^57682769 is an apocalyptic number.

It is an amenable number.

57682769 is a deficient number, since it is larger than the sum of its proper divisors (2662231).

57682769 is a wasteful number, since it uses less digits than its factorization.

57682769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22467.

The product of its digits is 1270080, while the sum is 50.

The square root of 57682769 is about 7594.9173135723. The cubic root of 57682769 is about 386.3806481577.

The spelling of 57682769 in words is "fifty-seven million, six hundred eighty-two thousand, seven hundred sixty-nine".