3506071 has 4 divisors (see below), whose sum is σ = 3627000. Its totient is φ = 3385144.

The previous prime is 3506047. The next prime is 3506077. The reversal of 3506071 is 1706053.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1706053 = 47 ⋅36299.

It is a cyclic number.

It is not a de Polignac number, because 3506071 - 2⁵ = 3506039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506077) 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, 60421 + ... + 60478.

It is an arithmetic number, because the mean of its divisors is an integer number (906750).

Almost surely, 2^3506071 is an apocalyptic number.

3506071 is a deficient number, since it is larger than the sum of its proper divisors (120929).

3506071 is a wasteful number, since it uses less digits than its factorization.

3506071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120928.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 3506071 is about 1872.4505333920. The cubic root of 3506071 is about 151.9171842266.

The spelling of 3506071 in words is "three million, five hundred six thousand, seventy-one".