3782705 has 4 divisors (see below), whose sum is σ = 4539252. Its totient is φ = 3026160.

The previous prime is 3782699. The next prime is 3782773. The reversal of 3782705 is 5072873.

3782705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2380849 + 1401856 = 1543^2 + 1184^2 .

It is not a de Polignac number, because 3782705 - 2⁴ = 3782689 is a prime.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 378266 + ... + 378275.

It is an arithmetic number, because the mean of its divisors is an integer number (1134813).

Almost surely, 2^3782705 is an apocalyptic number.

It is an amenable number.

3782705 is a deficient number, since it is larger than the sum of its proper divisors (756547).

3782705 is an equidigital number, since it uses as much as digits as its factorization.

3782705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 756546.

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 3782705 is about 1944.9177360495. The cubic root of 3782705 is about 155.8119721229.

The spelling of 3782705 in words is "three million, seven hundred eighty-two thousand, seven hundred five".