34044721 has 4 divisors (see below), whose sum is σ = 34216000. Its totient is φ = 33873444.

The previous prime is 34044707. The next prime is 34044739. The reversal of 34044721 is 12744043.

34044721 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, 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 34044721 - 2¹³ = 34036529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34044781) 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, 85341 + ... + 85738.

It is an arithmetic number, because the mean of its divisors is an integer number (8554000).

Almost surely, 2^34044721 is an apocalyptic number.

It is an amenable number.

34044721 is a deficient number, since it is larger than the sum of its proper divisors (171279).

34044721 is a wasteful number, since it uses less digits than its factorization.

34044721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171278.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 34044721 is about 5834.7854287883. The cubic root of 34044721 is about 324.1031558189.

Adding to 34044721 its reverse (12744043), we get a palindrome (46788764).

The spelling of 34044721 in words is "thirty-four million, forty-four thousand, seven hundred twenty-one".