34067021 has 6 divisors (see below), whose sum is σ = 34587630. Its totient is φ = 33554136.

The previous prime is 34067017. The next prime is 34067027. The reversal of 34067021 is 12076043.

It can be written as a sum of positive squares in only one way, i.e., 18966025 + 15100996 = 4355^2 + 3886^2 .

It is not a de Polignac number, because 34067021 - 2² = 34067017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34067027) 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, 695 + ... + 8283.

It is an arithmetic number, because the mean of its divisors is an integer number (5764605).

Almost surely, 2^34067021 is an apocalyptic number.

It is an amenable number.

34067021 is a deficient number, since it is larger than the sum of its proper divisors (520609).

34067021 is an frugal number, since it uses more digits than its factorization.

34067021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7723 (or 7656 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 34067021 is about 5836.6960688389. The cubic root of 34067021 is about 324.1739051420.

The spelling of 34067021 in words is "thirty-four million, sixty-seven thousand, twenty-one".