3453727 has 4 divisors (see below), whose sum is σ = 3474576. Its totient is φ = 3432880.

The previous prime is 3453721. The next prime is 3453731. The reversal of 3453727 is 7273543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7273543 = 23 ⋅316241.

It is a cyclic number.

It is not a de Polignac number, because 3453727 - 2³ = 3453719 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3453721) 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 3 ways as a sum of consecutive naturals, for example, 10174 + ... + 10507.

It is an arithmetic number, because the mean of its divisors is an integer number (868644).

Almost surely, 2^3453727 is an apocalyptic number.

3453727 is a deficient number, since it is larger than the sum of its proper divisors (20849).

3453727 is a wasteful number, since it uses less digits than its factorization.

3453727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20848.

The product of its digits is 17640, while the sum is 31.

The square root of 3453727 is about 1858.4205659646. The cubic root of 3453727 is about 151.1573728784.

The spelling of 3453727 in words is "three million, four hundred fifty-three thousand, seven hundred twenty-seven".