3720564 has 18 divisors (see below), whose sum is σ = 9404850. Its totient is φ = 1240176.

The previous prime is 3720553. The next prime is 3720571. The reversal of 3720564 is 4650273.

It is a happy number.

3720564 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 only one way, i.e., 2528100 + 1192464 = 1590^2 + 1092^2 .

It is a tau number, because it is divible by the number of its divisors (18).

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 5 ways as a sum of consecutive naturals, for example, 51639 + ... + 51710.

Almost surely, 2^3720564 is an apocalyptic number.

It is an amenable number.

3720564 is an abundant number, since it is smaller than the sum of its proper divisors (5684286).

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

3720564 is a wasteful number, since it uses less digits than its factorization.

3720564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103359 (or 103354 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 3720564 is about 1928.8763568461. The cubic root of 3720564 is about 154.9540481195.

The spelling of 3720564 in words is "three million, seven hundred twenty thousand, five hundred sixty-four".