57669746 has 8 divisors (see below), whose sum is σ = 91593180. Its totient is φ = 27138688.

The previous prime is 57669721. The next prime is 57669761. The reversal of 57669746 is 64796675.

It can be written as a sum of positive squares in 2 ways, for example, as 49857721 + 7812025 = 7061^2 + 2795^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57669694 and 57669703.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 848051 + ... + 848118.

Almost surely, 2^57669746 is an apocalyptic number.

57669746 is a deficient number, since it is larger than the sum of its proper divisors (33923434).

57669746 is a wasteful number, since it uses less digits than its factorization.

57669746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696188.

The product of its digits is 1905120, while the sum is 50.

The square root of 57669746 is about 7594.0599154866. The cubic root of 57669746 is about 386.3515683361.

The spelling of 57669746 in words is "fifty-seven million, six hundred sixty-nine thousand, seven hundred forty-six".