2605732 has 12 divisors (see below), whose sum is σ = 4571980. Its totient is φ = 1299456.

The previous prime is 2605663. The next prime is 2605741. The reversal of 2605732 is 2375062.

It can be written as a sum of positive squares in 2 ways, for example, as 1577536 + 1028196 = 1256^2 + 1014^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2605697 and 2605706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1744 + ... + 2872.

2^2605732 is an apocalyptic number.

It is an amenable number.

2605732 is a deficient number, since it is larger than the sum of its proper divisors (1966248).

2605732 is a wasteful number, since it uses less digits than its factorization.

2605732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710 (or 1708 counting only the distinct ones).

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

The square root of 2605732 is about 1614.2279888541. The cubic root of 2605732 is about 137.6078624721.

The spelling of 2605732 in words is "two million, six hundred five thousand, seven hundred thirty-two".