3780756 has 60 divisors (see below), whose sum is σ = 11302368. Its totient is φ = 1079568.

The previous prime is 3780739. The next prime is 3780757. The reversal of 3780756 is 6570873.

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

It is a self number, because there is not a number n which added to its sum of digits gives 3780756.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3780757) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1435 + ... + 3101.

Almost surely, 2^3780756 is an apocalyptic number.

3780756 is a gapful number since it is divisible by the number (36) 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 3780756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5651184).

3780756 is an abundant number, since it is smaller than the sum of its proper divisors (7521612).

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

3780756 is a wasteful number, since it uses less digits than its factorization.

3780756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690 (or 1679 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 3780756 is about 1944.4166220232. The cubic root of 3780756 is about 155.7852073515.

The spelling of 3780756 in words is "three million, seven hundred eighty thousand, seven hundred fifty-six".