2725658 has 16 divisors (see below), whose sum is σ = 4462080. Its totient is φ = 1241136.

The previous prime is 2725649. The next prime is 2725669. The reversal of 2725658 is 8565272.

2725658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is an unprimeable number.

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, 1391 + ... + 2717.

It is an arithmetic number, because the mean of its divisors is an integer number (278880).

2^2725658 is an apocalyptic number.

2725658 is a deficient number, since it is larger than the sum of its proper divisors (1736422).

2725658 is a wasteful number, since it uses less digits than its factorization.

2725658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421.

The product of its digits is 33600, while the sum is 35.

The square root of 2725658 is about 1650.9566923454. The cubic root of 2725658 is about 139.6873635904.

The spelling of 2725658 in words is "two million, seven hundred twenty-five thousand, six hundred fifty-eight".