34073021 has 4 divisors (see below), whose sum is σ = 34105344. Its totient is φ = 34040700.

The previous prime is 34072993. The next prime is 34073029. The reversal of 34073021 is 12037043.

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 a de Polignac number, because none of the positive numbers 2^k-34073021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34072984 and 34073002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34073029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14525 + ... + 16706.

It is an arithmetic number, because the mean of its divisors is an integer number (8526336).

Almost surely, 2^34073021 is an apocalyptic number.

It is an amenable number.

34073021 is a deficient number, since it is larger than the sum of its proper divisors (32323).

34073021 is a wasteful number, since it uses less digits than its factorization.

34073021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32322.

The product of its (nonzero) digits is 504, while the sum is 20.

The square root of 34073021 is about 5837.2100356249. The cubic root of 34073021 is about 324.1929355629.

The spelling of 34073021 in words is "thirty-four million, seventy-three thousand, twenty-one".