3520573872 has 80 divisors (see below), whose sum is σ = 9231825792. Its totient is φ = 1155962880.

The previous prime is 3520573853. The next prime is 3520573891. The reversal of 3520573872 is 2783750253.

It is an interprime number because it is at equal distance from previous prime (3520573853) and next prime (3520573891).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 1055247 + ... + 1058577.

Almost surely, 2^3520573872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3520573872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4615912896).

3520573872 is an abundant number, since it is smaller than the sum of its proper divisors (5711251920).

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

3520573872 is a wasteful number, since it uses less digits than its factorization.

3520573872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3666 (or 3660 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 42.

The square root of 3520573872 is about 59334.4240049569. The cubic root of 3520573872 is about 1521.2636467797.

The spelling of 3520573872 in words is "three billion, five hundred twenty million, five hundred seventy-three thousand, eight hundred seventy-two".