34066521 has 16 divisors (see below), whose sum is σ = 53438400. Its totient is φ = 21374784.

The previous prime is 34066507. The next prime is 34066523. The reversal of 34066521 is 12566043.

34066521 is a `hidden beast` number, since 3 + 4 + 0 + 6 + 652 + 1 = 666.

It is not a de Polignac number, because 34066521 - 2⁶ = 34066457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (34066523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36651 + ... + 37568.

It is an arithmetic number, because the mean of its divisors is an integer number (3339900).

Almost surely, 2^34066521 is an apocalyptic number.

It is an amenable number.

34066521 is a deficient number, since it is larger than the sum of its proper divisors (19371879).

34066521 is a wasteful number, since it uses less digits than its factorization.

34066521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74245 (or 74239 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 34066521 is about 5836.6532362305. The cubic root of 34066521 is about 324.1723191727.

The spelling of 34066521 in words is "thirty-four million, sixty-six thousand, five hundred twenty-one".