3720365 has 32 divisors (see below), whose sum is σ = 5412096. Its totient is φ = 2421760.

The previous prime is 3720361. The next prime is 3720373. The reversal of 3720365 is 5630273.

3720365 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3720365 - 2² = 3720361 is a prime.

It is a super-2 number, since 2×3720365² = 27682231466450, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21419 + ... + 21591.

It is an arithmetic number, because the mean of its divisors is an integer number (169128).

Almost surely, 2^3720365 is an apocalyptic number.

It is an amenable number.

3720365 is a deficient number, since it is larger than the sum of its proper divisors (1691731).

3720365 is a wasteful number, since it uses less digits than its factorization.

3720365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 3720365 is about 1928.8247717198. The cubic root of 3720365 is about 154.9512854196.

It can be divided in two parts, 37 and 20365, that added together give a palindrome (20402).

The spelling of 3720365 in words is "three million, seven hundred twenty thousand, three hundred sixty-five".