3720104665 has 8 divisors (see below), whose sum is σ = 4467089088. Its totient is φ = 2974108080.

The previous prime is 3720104657. The next prime is 3720104671. The reversal of 3720104665 is 5664010273.

It is a happy number.

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

It is not a de Polignac number, because 3720104665 - 2³ = 3720104657 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3720104665.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238647 + ... + 253756.

It is an arithmetic number, because the mean of its divisors is an integer number (558386136).

Almost surely, 2^3720104665 is an apocalyptic number.

It is an amenable number.

3720104665 is a deficient number, since it is larger than the sum of its proper divisors (746984423).

3720104665 is a wasteful number, since it uses less digits than its factorization.

3720104665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493919.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 3720104665 is about 60992.6607470112. The cubic root of 3720104665 is about 1549.4767106244.

The spelling of 3720104665 in words is "three billion, seven hundred twenty million, one hundred four thousand, six hundred sixty-five".