3528723612 has 12 divisors (see below), whose sum is σ = 8233688456. Its totient is φ = 1176241200.

The previous prime is 3528723581. The next prime is 3528723613. The reversal of 3528723612 is 2163278253.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3528723613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147030139 + ... + 147030162.

Almost surely, 2^3528723612 is an apocalyptic number.

It is an amenable number.

3528723612 is an abundant number, since it is smaller than the sum of its proper divisors (4704964844).

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

3528723612 is a wasteful number, since it uses less digits than its factorization.

3528723612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294060308 (or 294060306 counting only the distinct ones).

The product of its digits is 120960, while the sum is 39.

The square root of 3528723612 is about 59403.0606282202. The cubic root of 3528723612 is about 1522.4365946508.

The spelling of 3528723612 in words is "three billion, five hundred twenty-eight million, seven hundred twenty-three thousand, six hundred twelve".