4341721 has 4 divisors (see below), whose sum is σ = 4402944. Its totient is φ = 4280500.

The previous prime is 4341697. The next prime is 4341763. The reversal of 4341721 is 1271434.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4341721 - 2⁷ = 4341593 is a prime.

It is a Smith number, since the sum of its digits (22) 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 junction number, because it is equal to n+sod(n) for n = 4341692 and 4341701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4341791) 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, 30505 + ... + 30646.

It is an arithmetic number, because the mean of its divisors is an integer number (1100736).

Almost surely, 2^4341721 is an apocalyptic number.

It is an amenable number.

4341721 is a deficient number, since it is larger than the sum of its proper divisors (61223).

4341721 is an equidigital number, since it uses as much as digits as its factorization.

4341721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61222.

The product of its digits is 672, while the sum is 22.

The square root of 4341721 is about 2083.6796778776. The cubic root of 4341721 is about 163.1375631218.

The spelling of 4341721 in words is "four million, three hundred forty-one thousand, seven hundred twenty-one".