3722580 has 36 divisors (see below), whose sum is σ = 11292372. Its totient is φ = 992640.

The previous prime is 3722567. The next prime is 3722591. The reversal of 3722580 is 852273.

3722580 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 777924 + 2944656 = 882^2 + 1716^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10161 + ... + 10520.

It is an arithmetic number, because the mean of its divisors is an integer number (313677).

Almost surely, 2^3722580 is an apocalyptic number.

3722580 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3722580 is an abundant number, since it is smaller than the sum of its proper divisors (7569792).

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

3722580 is a wasteful number, since it uses less digits than its factorization.

3722580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20696 (or 20691 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 3722580 is about 1929.3988701147. The cubic root of 3722580 is about 154.9820305218.

The spelling of 3722580 in words is "three million, seven hundred twenty-two thousand, five hundred eighty".