3720045504 has 168 divisors, whose sum is σ = 11512905600. Its totient is φ = 1056996864.

The previous prime is 3720045503. The next prime is 3720045509. The reversal of 3720045504 is 4055400273.

It is a tau number, because it is divible by the number of its divisors (168).

It is a super-2 number, since 2×3720045504² = 27677477103661228032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720045503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1871199 + ... + 1873185.

It is an arithmetic number, because the mean of its divisors is an integer number (68529200).

Almost surely, 2^3720045504 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 3720045504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5756452800).

3720045504 is an abundant number, since it is smaller than the sum of its proper divisors (7792860096).

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

3720045504 is a wasteful number, since it uses less digits than its factorization.

3720045504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215 (or 2198 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 3720045504 is about 60992.1757605023. The cubic root of 3720045504 is about 1549.4684967805.

Adding to 3720045504 its reverse (4055400273), we get a palindrome (7775445777).

The spelling of 3720045504 in words is "three billion, seven hundred twenty million, forty-five thousand, five hundred four".