34021345 has 8 divisors (see below), whose sum is σ = 41230440. Its totient is φ = 26947200.

The previous prime is 34021313. The next prime is 34021363. The reversal of 34021345 is 54312043.

34021345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1940449 + 32080896 = 1393^2 + 5664^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34021345 - 2⁵ = 34021313 is a prime.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 33180 + ... + 34189.

It is an arithmetic number, because the mean of its divisors is an integer number (5153805).

Almost surely, 2^34021345 is an apocalyptic number.

It is an amenable number.

34021345 is a deficient number, since it is larger than the sum of its proper divisors (7209095).

34021345 is a wasteful number, since it uses less digits than its factorization.

34021345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67475.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 34021345 is about 5832.7819263195. The cubic root of 34021345 is about 324.0289595870.

Adding to 34021345 its reverse (54312043), we get a palindrome (88333388).

The spelling of 34021345 in words is "thirty-four million, twenty-one thousand, three hundred forty-five".