3705665817 has 96 divisors (see below), whose sum is σ = 6313082880. Its totient is φ = 1920360960.

The previous prime is 3705665809. The next prime is 3705665827. The reversal of 3705665817 is 7185665073.

It is not a de Polignac number, because 3705665817 - 2³ = 3705665809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3705665827) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10995873 + ... + 10996209.

It is an arithmetic number, because the mean of its divisors is an integer number (65761280).

Almost surely, 2^3705665817 is an apocalyptic number.

It is an amenable number.

3705665817 is a deficient number, since it is larger than the sum of its proper divisors (2607417063).

3705665817 is a wasteful number, since it uses less digits than its factorization.

3705665817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 48.

The square root of 3705665817 is about 60874.1802162460. The cubic root of 3705665817 is about 1547.4694493322.

The spelling of 3705665817 in words is "three billion, seven hundred five million, six hundred sixty-five thousand, eight hundred seventeen".