3665705755 has 8 divisors (see below), whose sum is σ = 4401088272. Its totient is φ = 2931070368.

The previous prime is 3665705723. The next prime is 3665705761. The reversal of 3665705755 is 5575075663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3665705755 - 2⁵ = 3665705723 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3665705699 and 3665705708.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175929 + ... + 195658.

It is an arithmetic number, because the mean of its divisors is an integer number (550136034).

Almost surely, 2^3665705755 is an apocalyptic number.

3665705755 is a deficient number, since it is larger than the sum of its proper divisors (735382517).

3665705755 is a wasteful number, since it uses less digits than its factorization.

3665705755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373565.

The product of its (nonzero) digits is 3307500, while the sum is 49.

The square root of 3665705755 is about 60545.0720950929. The cubic root of 3665705755 is about 1541.8869537212.

The spelling of 3665705755 in words is "three billion, six hundred sixty-five million, seven hundred five thousand, seven hundred fifty-five".