3722544 has 80 divisors (see below), whose sum is σ = 12221440. Its totient is φ = 1062720.

The previous prime is 3722519. The next prime is 3722549. The reversal of 3722544 is 4452273.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (3722549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2409 + ... + 3639.

It is an arithmetic number, because the mean of its divisors is an integer number (152768).

Almost surely, 2^3722544 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 3722544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6110720).

3722544 is an abundant number, since it is smaller than the sum of its proper divisors (8498896).

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

3722544 is a wasteful number, since it uses less digits than its factorization.

3722544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255 (or 1243 counting only the distinct ones).

The product of its digits is 6720, while the sum is 27.

The square root of 3722544 is about 1929.3895407615. The cubic root of 3722544 is about 154.9815309246.

It can be divided in two parts, 372 and 2544, that added together give a square (2916 = 54²).

The spelling of 3722544 in words is "three million, seven hundred twenty-two thousand, five hundred forty-four".