2705730 has 16 divisors (see below), whose sum is σ = 6493824. Its totient is φ = 721520.

The previous prime is 2705693. The next prime is 2705741. The reversal of 2705730 is 375072.

It is a self number, because there is not a number n which added to its sum of digits gives 2705730.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45066 + ... + 45125.

It is an arithmetic number, because the mean of its divisors is an integer number (405864).

2^2705730 is an apocalyptic number.

2705730 is an abundant number, since it is smaller than the sum of its proper divisors (3788094).

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

2705730 is a wasteful number, since it uses less digits than its factorization.

2705730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90201.

The product of its (nonzero) digits is 1470, while the sum is 24.

The square root of 2705730 is about 1644.9103319026. The cubic root of 2705730 is about 139.3461002371.

The spelling of 2705730 in words is "two million, seven hundred five thousand, seven hundred thirty".