3720446860 has 144 divisors (see below), whose sum is σ = 8815625280. Its totient is φ = 1310722560.

The previous prime is 3720446833. The next prime is 3720446861. The reversal of 3720446860 is 686440273.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3720446861) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34132486 + ... + 34132594.

It is an arithmetic number, because the mean of its divisors is an integer number (61219620).

Almost surely, 2^3720446860 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 3720446860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4407812640).

3720446860 is an abundant number, since it is smaller than the sum of its proper divisors (5095178420).

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

3720446860 is a wasteful number, since it uses less digits than its factorization.

3720446860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 243 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The square root of 3720446860 is about 60995.4658970648. The cubic root of 3720446860 is about 1549.5242188690.

The spelling of 3720446860 in words is "three billion, seven hundred twenty million, four hundred forty-six thousand, eight hundred sixty".