3665774725 has 48 divisors (see below), whose sum is σ = 4895668800. Its totient is φ = 2717406720.

The previous prime is 3665774711. The next prime is 3665774779. The reversal of 3665774725 is 5274775663.

It is not a de Polignac number, because 3665774725 - 2⁹ = 3665774213 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1838329 + ... + 1840321.

It is an arithmetic number, because the mean of its divisors is an integer number (101993100).

Almost surely, 2^3665774725 is an apocalyptic number.

It is an amenable number.

3665774725 is a deficient number, since it is larger than the sum of its proper divisors (1229894075).

3665774725 is a wasteful number, since it uses less digits than its factorization.

3665774725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134 (or 2129 counting only the distinct ones).

The product of its digits is 7408800, while the sum is 52.

The square root of 3665774725 is about 60545.6416680838. The cubic root of 3665774725 is about 1541.8966238260.

The spelling of 3665774725 in words is "three billion, six hundred sixty-five million, seven hundred seventy-four thousand, seven hundred twenty-five".