3573520 has 40 divisors (see below), whose sum is σ = 8749440. Its totient is φ = 1353600.

The previous prime is 3573517. The next prime is 3573523. The reversal of 3573520 is 253753.

3573520 = 145² + 146² + ... + 239².

It is an interprime number because it is at equal distance from previous prime (3573517) and next prime (3573523).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (3573523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 345 + ... + 2695.

It is an arithmetic number, because the mean of its divisors is an integer number (218736).

Almost surely, 2^3573520 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 3573520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4374720).

3573520 is an abundant number, since it is smaller than the sum of its proper divisors (5175920).

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

3573520 is a wasteful number, since it uses less digits than its factorization.

3573520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2383 (or 2377 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 25.

The square root of 3573520 is about 1890.3756240494. The cubic root of 3573520 is about 152.8851859093.

The spelling of 3573520 in words is "three million, five hundred seventy-three thousand, five hundred twenty".