3722560 has 28 divisors (see below), whose sum is σ = 8865108. Its totient is φ = 1488896.

The previous prime is 3722549. The next prime is 3722567. The reversal of 3722560 is 652273.

It can be written as a sum of positive squares in 2 ways, for example, as 1937664 + 1784896 = 1392^2 + 1336^2 .

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5497 + ... + 6136.

It is an arithmetic number, because the mean of its divisors is an integer number (316611).

Almost surely, 2^3722560 is an apocalyptic number.

It is an amenable number.

3722560 is an abundant number, since it is smaller than the sum of its proper divisors (5142548).

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

3722560 is a wasteful number, since it uses less digits than its factorization.

3722560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11650 (or 11640 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 3722560 is about 1929.3936871463. The cubic root of 3722560 is about 154.9817529682.

The spelling of 3722560 in words is "three million, seven hundred twenty-two thousand, five hundred sixty".