57660717 has 4 divisors (see below), whose sum is σ = 76880960. Its totient is φ = 38440476.

The previous prime is 57660703. The next prime is 57660731. The reversal of 57660717 is 71706675.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (57660703) and next prime (57660731).

It is not a de Polignac number, because 57660717 - 2⁶ = 57660653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57660917) by changing a digit.

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, 9610117 + ... + 9610122.

It is an arithmetic number, because the mean of its divisors is an integer number (19220240).

Almost surely, 2^57660717 is an apocalyptic number.

It is an amenable number.

57660717 is a deficient number, since it is larger than the sum of its proper divisors (19220243).

57660717 is a wasteful number, since it uses less digits than its factorization.

57660717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19220242.

The product of its (nonzero) digits is 61740, while the sum is 39.

The square root of 57660717 is about 7593.4654144205. The cubic root of 57660717 is about 386.3314043817.

The spelling of 57660717 in words is "fifty-seven million, six hundred sixty thousand, seven hundred seventeen".