3720978162 has 80 divisors (see below), whose sum is σ = 9245104704. Its totient is φ = 1109052000.

The previous prime is 3720978161. The next prime is 3720978199. The reversal of 3720978162 is 2618790273.

It is not an unprimeable number, because it can be changed into a prime (3720978161) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 91587 + ... + 125817.

Almost surely, 2^3720978162 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3720978162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4622552352).

3720978162 is an abundant number, since it is smaller than the sum of its proper divisors (5524126542).

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

3720978162 is a wasteful number, since it uses less digits than its factorization.

3720978162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34317 (or 34308 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The square root of 3720978162 is about 60999.8209997374. The cubic root of 3720978162 is about 1549.5979757913.

The spelling of 3720978162 in words is "three billion, seven hundred twenty million, nine hundred seventy-eight thousand, one hundred sixty-two".