3521072352 has 96 divisors (see below), whose sum is σ = 10927526400. Its totient is φ = 971324928.

The previous prime is 3521072309. The next prime is 3521072363. The reversal of 3521072352 is 2532701253.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70852 + ... + 109827.

It is an arithmetic number, because the mean of its divisors is an integer number (113828400).

Almost surely, 2^3521072352 is an apocalyptic number.

3521072352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3521072352 is an abundant number, since it is smaller than the sum of its proper divisors (7406454048).

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

3521072352 is a wasteful number, since it uses less digits than its factorization.

3521072352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180728 (or 180720 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 3521072352 is about 59338.6244532177. The cubic root of 3521072352 is about 1521.3354422448.

The spelling of 3521072352 in words is "three billion, five hundred twenty-one million, seventy-two thousand, three hundred fifty-two".