3786866720 has 192 divisors, whose sum is σ = 11080177920. Its totient is φ = 1190965248.

The previous prime is 3786866669. The next prime is 3786866747. The reversal of 3786866720 is 276686873.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2605514 + ... + 2606966.

It is an arithmetic number, because the mean of its divisors is an integer number (57709260).

Almost surely, 2^3786866720 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 3786866720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5540088960).

3786866720 is an abundant number, since it is smaller than the sum of its proper divisors (7293311200).

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

3786866720 is a wasteful number, since it uses less digits than its factorization.

3786866720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1667 (or 1659 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 53.

The square root of 3786866720 is about 61537.5228620717. The cubic root of 3786866720 is about 1558.6909245875.

The spelling of 3786866720 in words is "three billion, seven hundred eighty-six million, eight hundred sixty-six thousand, seven hundred twenty".