2723065 has 4 divisors (see below), whose sum is σ = 3267684. Its totient is φ = 2178448.

The previous prime is 2723057. The next prime is 2723069. The reversal of 2723065 is 5603272.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2062096 + 660969 = 1436^2 + 813^2 .

It is a cyclic number.

It is not a de Polignac number, because 2723065 - 2³ = 2723057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2723069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272302 + ... + 272311.

It is an arithmetic number, because the mean of its divisors is an integer number (816921).

2^2723065 is an apocalyptic number.

It is an amenable number.

2723065 is a deficient number, since it is larger than the sum of its proper divisors (544619).

2723065 is an equidigital number, since it uses as much as digits as its factorization.

2723065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544618.

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

The square root of 2723065 is about 1650.1712032392. The cubic root of 2723065 is about 139.6430532802.

The spelling of 2723065 in words is "two million, seven hundred twenty-three thousand, sixty-five".