34133621 has 8 divisors (see below), whose sum is σ = 34632024. Its totient is φ = 33638400.

The previous prime is 34133597. The next prime is 34133623. The reversal of 34133621 is 12633143.

It can be written as a sum of positive squares in 4 ways, for example, as 2436721 + 31696900 = 1561^2 + 5630^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 34133621 - 2¹⁰ = 34132597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34133623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27821 + ... + 29021.

It is an arithmetic number, because the mean of its divisors is an integer number (4329003).

Almost surely, 2^34133621 is an apocalyptic number.

It is an amenable number.

34133621 is a deficient number, since it is larger than the sum of its proper divisors (498403).

34133621 is a wasteful number, since it uses less digits than its factorization.

34133621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1591.

The product of its digits is 1296, while the sum is 23.

The square root of 34133621 is about 5842.3985656578. The cubic root of 34133621 is about 324.3850177024.

Adding to 34133621 its reverse (12633143), we get a palindrome (46766764).

The spelling of 34133621 in words is "thirty-four million, one hundred thirty-three thousand, six hundred twenty-one".