3721360 has 40 divisors (see below), whose sum is σ = 8733816. Its totient is φ = 1474560.

The previous prime is 3721339. The next prime is 3721363. The reversal of 3721360 is 631273.

It can be written as a sum of positive squares in 4 ways, for example, as 350464 + 3370896 = 592^2 + 1836^2 .

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 (3721363) 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, 14352 + ... + 14608.

Almost surely, 2^3721360 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 3721360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4366908).

3721360 is an abundant number, since it is smaller than the sum of its proper divisors (5012456).

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

3721360 is a wasteful number, since it uses less digits than its factorization.

3721360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 445 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 3721360 is about 1929.0826835571. The cubic root of 3721360 is about 154.9650979341.

It can be divided in two parts, 37213 and 60, that added together give a palindrome (37273).

The spelling of 3721360 in words is "three million, seven hundred twenty-one thousand, three hundred sixty".