34071021 has 6 divisors (see below), whose sum is σ = 49213710. Its totient is φ = 22714008.

The previous prime is 34071019. The next prime is 34071031. The reversal of 34071021 is 12017043.

It can be written as a sum of positive squares in only one way, i.e., 24890121 + 9180900 = 4989^2 + 3030^2 .

It is not a de Polignac number, because 34071021 - 2¹ = 34071019 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 34070985 and 34071003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34071031) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1892826 + ... + 1892843.

It is an arithmetic number, because the mean of its divisors is an integer number (8202285).

Almost surely, 2^34071021 is an apocalyptic number.

It is an amenable number.

34071021 is a deficient number, since it is larger than the sum of its proper divisors (15142689).

34071021 is a wasteful number, since it uses less digits than its factorization.

34071021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785675 (or 3785672 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 34071021 is about 5837.0387183914. The cubic root of 34071021 is about 324.1865923375.

Adding to 34071021 its reverse (12017043), we get a palindrome (46088064).

The spelling of 34071021 in words is "thirty-four million, seventy-one thousand, twenty-one".