5647717 has 4 divisors (see below), whose sum is σ = 5800396. Its totient is φ = 5495040.

The previous prime is 5647699. The next prime is 5647729. The reversal of 5647717 is 7177465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7177465 = 5 ⋅1435493.

It can be written as a sum of positive squares in 2 ways, for example, as 2313441 + 3334276 = 1521^2 + 1826^2 .

It is a cyclic number.

It is not a de Polignac number, because 5647717 - 2⁷ = 5647589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 152641 = 5647717 / (5 + 6 + 4 + 7 + 7 + 1 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5647517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76284 + ... + 76357.

It is an arithmetic number, because the mean of its divisors is an integer number (1450099).

Almost surely, 2^5647717 is an apocalyptic number.

It is an amenable number.

5647717 is a deficient number, since it is larger than the sum of its proper divisors (152679).

5647717 is a wasteful number, since it uses less digits than its factorization.

5647717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152678.

The product of its digits is 41160, while the sum is 37.

The square root of 5647717 is about 2376.4925836198. The cubic root of 5647717 is about 178.0837568204.

It can be divided in two parts, 564 and 7717, that added together give a square (8281 = 91²).

The spelling of 5647717 in words is "five million, six hundred forty-seven thousand, seven hundred seventeen".