3521670717 has 16 divisors (see below), whose sum is σ = 5087396160. Its totient is φ = 2158286592.

The previous prime is 3521670707. The next prime is 3521670721. The reversal of 3521670717 is 7170761253.

It is not a de Polignac number, because 3521670717 - 2¹⁴ = 3521654333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3521670707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 800742 + ... + 805127.

It is an arithmetic number, because the mean of its divisors is an integer number (317962260).

Almost surely, 2^3521670717 is an apocalyptic number.

It is an amenable number.

3521670717 is a deficient number, since it is larger than the sum of its proper divisors (1565725443).

3521670717 is a wasteful number, since it uses less digits than its factorization.

3521670717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605932.

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

The square root of 3521670717 is about 59343.6661910941. Note that the first 3 decimals coincide. The cubic root of 3521670717 is about 1521.4216150761.

The spelling of 3521670717 in words is "three billion, five hundred twenty-one million, six hundred seventy thousand, seven hundred seventeen".