3667717 has 4 divisors (see below), whose sum is σ = 3794220. Its totient is φ = 3541216.

The previous prime is 3667679. The next prime is 3667721. The reversal of 3667717 is 7177663.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1110916 + 2556801 = 1054^2 + 1599^2 .

It is a cyclic number.

It is not a de Polignac number, because 3667717 - 2¹⁵ = 3634949 is a prime.

It is a Duffinian number.

3667717 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3667117) 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, 63208 + ... + 63265.

It is an arithmetic number, because the mean of its divisors is an integer number (948555).

Almost surely, 2^3667717 is an apocalyptic number.

It is an amenable number.

3667717 is a deficient number, since it is larger than the sum of its proper divisors (126503).

3667717 is a wasteful number, since it uses less digits than its factorization.

3667717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126502.

The product of its digits is 37044, while the sum is 37.

The square root of 3667717 is about 1915.1284552217. The cubic root of 3667717 is about 154.2168895376.

The spelling of 3667717 in words is "three million, six hundred sixty-seven thousand, seven hundred seventeen".