3705724 has 12 divisors (see below), whose sum is σ = 7074648. Its totient is φ = 1684400.

The previous prime is 3705719. The next prime is 3705739. The reversal of 3705724 is 4275073.

It is a junction number, because it is equal to n+sod(n) for n = 3705692 and 3705701.

It is a congruent number.

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, 42067 + ... + 42154.

It is an arithmetic number, because the mean of its divisors is an integer number (589554).

Almost surely, 2^3705724 is an apocalyptic number.

It is an amenable number.

3705724 is a deficient number, since it is larger than the sum of its proper divisors (3368924).

3705724 is a wasteful number, since it uses less digits than its factorization.

3705724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84236 (or 84234 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 28.

The square root of 3705724 is about 1925.0257141140. The cubic root of 3705724 is about 154.7477548277.

The spelling of 3705724 in words is "three million, seven hundred five thousand, seven hundred twenty-four".