2723045 has 8 divisors (see below), whose sum is σ = 3519096. Its totient is φ = 2010816.

The previous prime is 2723041. The next prime is 2723047. The reversal of 2723045 is 5403272.

2723045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 332929 + 2390116 = 577^2 + 1546^2 .

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 2723045 - 2² = 2723041 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 2723045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2723041) 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 7 ways as a sum of consecutive naturals, for example, 20882 + ... + 21011.

It is an arithmetic number, because the mean of its divisors is an integer number (439887).

2^2723045 is an apocalyptic number.

It is an amenable number.

2723045 is a deficient number, since it is larger than the sum of its proper divisors (796051).

2723045 is a wasteful number, since it uses less digits than its factorization.

2723045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41911.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 2723045 is about 1650.1651432508. The cubic root of 2723045 is about 139.6427114022.

The spelling of 2723045 in words is "two million, seven hundred twenty-three thousand, forty-five".