3520727628 has 48 divisors (see below), whose sum is σ = 9016887936. Its totient is φ = 1060335360.

The previous prime is 3520727621. The next prime is 3520727633. The reversal of 3520727628 is 8267270253.

It is a self number, because there is not a number n which added to its sum of digits gives 3520727628.

It is not an unprimeable number, because it can be changed into a prime (3520727621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60301 + ... + 103332.

It is an arithmetic number, because the mean of its divisors is an integer number (187851832).

Almost surely, 2^3520727628 is an apocalyptic number.

It is an amenable number.

3520727628 is an abundant number, since it is smaller than the sum of its proper divisors (5496160308).

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

3520727628 is a wasteful number, since it uses less digits than its factorization.

3520727628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163814 (or 163812 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 42.

The square root of 3520727628 is about 59335.7196636225. The cubic root of 3520727628 is about 1521.2857927912.

It can be divided in two parts, 35207 and 27628, that added together give a triangular number (62835 = T₃₅₄).

The spelling of 3520727628 in words is "three billion, five hundred twenty million, seven hundred twenty-seven thousand, six hundred twenty-eight".