3770788728 has 192 divisors, whose sum is σ = 11556864000. Its totient is φ = 1020273408.

The previous prime is 3770788661. The next prime is 3770788729. The reversal of 3770788728 is 8278870773.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3770788729) 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, 2947593 + ... + 2948871.

It is an arithmetic number, because the mean of its divisors is an integer number (60192000).

Almost surely, 2^3770788728 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 3770788728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5778432000).

3770788728 is an abundant number, since it is smaller than the sum of its proper divisors (7786075272).

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

3770788728 is a wasteful number, since it uses less digits than its factorization.

3770788728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1434 (or 1423 counting only the distinct ones).

The product of its (nonzero) digits is 7375872, while the sum is 57.

The square root of 3770788728 is about 61406.7482285131. The cubic root of 3770788728 is about 1556.4818713170.

The spelling of 3770788728 in words is "three billion, seven hundred seventy million, seven hundred eighty-eight thousand, seven hundred twenty-eight".