3720942720 has 192 divisors, whose sum is σ = 14017199040. Its totient is φ = 902031360.

The previous prime is 3720942713. The next prime is 3720942727. The reversal of 3720942720 is 272490273.

3720942720 is a `hidden beast` number, since 3 + 7 + 209 + 427 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (3720942713) and next prime (3720942727).

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (3720942727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33997 + ... + 92723.

It is an arithmetic number, because the mean of its divisors is an integer number (73006245).

Almost surely, 2^3720942720 is an apocalyptic number.

3720942720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3720942720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7008599520).

3720942720 is an abundant number, since it is smaller than the sum of its proper divisors (10296256320).

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

3720942720 is a wasteful number, since it uses less digits than its factorization.

3720942720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58763 (or 58748 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The square root of 3720942720 is about 60999.5304899964. The cubic root of 3720942720 is about 1549.5930558461.

The spelling of 3720942720 in words is "three billion, seven hundred twenty million, nine hundred forty-two thousand, seven hundred twenty".