3782071 has 4 divisors (see below), whose sum is σ = 3794544. Its totient is φ = 3769600.

The previous prime is 3782069. The next prime is 3782081. The reversal of 3782071 is 1702873.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1702873 = 17 ⋅100169.

It is a cyclic number.

It is not a de Polignac number, because 3782071 - 2¹ = 3782069 is a prime.

It is a super-2 number, since 2×3782071² = 28608122098082, which contains 22 as substring.

It is a Duffinian number.

3782071 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3782011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5770 + ... + 6391.

It is an arithmetic number, because the mean of its divisors is an integer number (948636).

Almost surely, 2^3782071 is an apocalyptic number.

3782071 is a deficient number, since it is larger than the sum of its proper divisors (12473).

3782071 is a wasteful number, since it uses less digits than its factorization.

3782071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12472.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 3782071 is about 1944.7547403207. The cubic root of 3782071 is about 155.8032666851.

The spelling of 3782071 in words is "three million, seven hundred eighty-two thousand, seventy-one".