3520028972 has 36 divisors (see below), whose sum is σ = 6330798096. Its totient is φ = 1712368800.

The previous prime is 3520028971. The next prime is 3520028989. The reversal of 3520028972 is 2798200253.

3520028972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3520028971) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1405073 + ... + 1407575.

Almost surely, 2^3520028972 is an apocalyptic number.

It is an amenable number.

3520028972 is a deficient number, since it is larger than the sum of its proper divisors (2810769124).

3520028972 is a wasteful number, since it uses less digits than its factorization.

3520028972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726 (or 2665 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 3520028972 is about 59329.8320577431. The cubic root of 3520028972 is about 1521.1851577453.

The spelling of 3520028972 in words is "three billion, five hundred twenty million, twenty-eight thousand, nine hundred seventy-two".