3765727265 has 8 divisors (see below), whose sum is σ = 4580775528. Its totient is φ = 2971313280.

The previous prime is 3765727243. The next prime is 3765727271. The reversal of 3765727265 is 5627275673.

It can be written as a sum of positive squares in 4 ways, for example, as 130119649 + 3635607616 = 11407^2 + 60296^2 .

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

It is not a de Polignac number, because 3765727265 - 2²⁰ = 3764678689 is a prime.

It is a Duffinian number.

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, 5158166 + ... + 5158895.

It is an arithmetic number, because the mean of its divisors is an integer number (572596941).

Almost surely, 2^3765727265 is an apocalyptic number.

It is an amenable number.

3765727265 is a deficient number, since it is larger than the sum of its proper divisors (815048263).

3765727265 is a wasteful number, since it uses less digits than its factorization.

3765727265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10317139.

The product of its digits is 3704400, while the sum is 50.

The square root of 3765727265 is about 61365.5217935935. The cubic root of 3765727265 is about 1555.7851467970.

The spelling of 3765727265 in words is "three billion, seven hundred sixty-five million, seven hundred twenty-seven thousand, two hundred sixty-five".