3720265 has 8 divisors (see below), whose sum is σ = 4618440. Its totient is φ = 2873472.

The previous prime is 3720253. The next prime is 3720293. The reversal of 3720265 is 5620273.

3720265 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 4 ways, for example, as 197136 + 3523129 = 444^2 + 1877^2 .

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 3720265 - 2⁷ = 3720137 is a prime.

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, 12684 + ... + 12973.

It is an arithmetic number, because the mean of its divisors is an integer number (577305).

Almost surely, 2^3720265 is an apocalyptic number.

It is an amenable number.

3720265 is a deficient number, since it is larger than the sum of its proper divisors (898175).

3720265 is a wasteful number, since it uses less digits than its factorization.

3720265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25691.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 3720265 is about 1928.7988490250. The cubic root of 3720265 is about 154.9498970910.

It can be divided in two parts, 37 and 20265, that added together give a palindrome (20302).

The spelling of 3720265 in words is "three million, seven hundred twenty thousand, two hundred sixty-five".