3520327572 has 18 divisors (see below), whose sum is σ = 8898605898. Its totient is φ = 1173442512.

The previous prime is 3520327549. The next prime is 3520327597. The reversal of 3520327572 is 2757230253.

3520327572 is a `hidden beast` number, since 3 + 52 + 0 + 32 + 7 + 572 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3255158916 + 265168656 = 57054^2 + 16284^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 97786877 = 3520327572 / (3 + 5 + 2 + 0 + 3 + 2 + 7 + 5 + 7 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 48893403 + ... + 48893474.

Almost surely, 2^3520327572 is an apocalyptic number.

It is an amenable number.

3520327572 is an abundant number, since it is smaller than the sum of its proper divisors (5378278326).

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

3520327572 is a wasteful number, since it uses less digits than its factorization.

3520327572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97786887 (or 97786882 counting only the distinct ones).

The product of its (nonzero) digits is 88200, while the sum is 36.

The square root of 3520327572 is about 59332.3484450093. The cubic root of 3520327572 is about 1521.2281699903.

The spelling of 3520327572 in words is "three billion, five hundred twenty million, three hundred twenty-seven thousand, five hundred seventy-two".