3745780 has 48 divisors (see below), whose sum is σ = 8709120. Its totient is φ = 1346048.

The previous prime is 3745771. The next prime is 3745783. The reversal of 3745780 is 875473.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3745783) 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 15 ways as a sum of consecutive naturals, for example, 7581 + ... + 8059.

It is an arithmetic number, because the mean of its divisors is an integer number (181440).

Almost surely, 2^3745780 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 3745780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4354560).

3745780 is an abundant number, since it is smaller than the sum of its proper divisors (4963340).

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

3745780 is a wasteful number, since it uses less digits than its factorization.

3745780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 3745780 is about 1935.4017670758. The cubic root of 3745780 is about 155.3033255514.

The spelling of 3745780 in words is "three million, seven hundred forty-five thousand, seven hundred eighty".