2605734 has 12 divisors (see below), whose sum is σ = 5645796. Its totient is φ = 868572.

The previous prime is 2605663. The next prime is 2605741. The reversal of 2605734 is 4375062.

It is a happy number.

2605734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2605698 and 2605707.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 72364 + ... + 72399.

It is an arithmetic number, because the mean of its divisors is an integer number (470483).

2^2605734 is an apocalyptic number.

2605734 is an abundant number, since it is smaller than the sum of its proper divisors (3040062).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2605734 is a wasteful number, since it uses less digits than its factorization.

2605734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144771 (or 144768 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 2605734 is about 1614.2286083452. The cubic root of 2605734 is about 137.6078976786.

The spelling of 2605734 in words is "two million, six hundred five thousand, seven hundred thirty-four".