3505672 has 32 divisors (see below), whose sum is σ = 7047000. Its totient is φ = 1629184.

The previous prime is 3505651. The next prime is 3505673. The reversal of 3505672 is 2765053.

3505672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3334276 + 171396 = 1826^2 + 414^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3505672.

It is not an unprimeable number, because it can be changed into a prime (3505673) by changing a digit.

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, 20178 + ... + 20350.

Almost surely, 2^3505672 is an apocalyptic number.

It is an amenable number.

3505672 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

3505672 is a wasteful number, since it uses less digits than its factorization.

3505672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 28.

The square root of 3505672 is about 1872.3439854898. The cubic root of 3505672 is about 151.9114211511.

The spelling of 3505672 in words is "three million, five hundred five thousand, six hundred seventy-two".