34204945 has 4 divisors (see below), whose sum is σ = 41045940. Its totient is φ = 27363952.

The previous prime is 34204903. The next prime is 34205021. The reversal of 34204945 is 54940243.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54940243 = 17 ⋅3231779.

It can be written as a sum of positive squares in 2 ways, for example, as 9909904 + 24295041 = 3148^2 + 4929^2 .

It is a cyclic number.

It is not a de Polignac number, because 34204945 - 2⁹ = 34204433 is a prime.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 3420490 + ... + 3420499.

It is an arithmetic number, because the mean of its divisors is an integer number (10261485).

Almost surely, 2^34204945 is an apocalyptic number.

It is an amenable number.

34204945 is a deficient number, since it is larger than the sum of its proper divisors (6840995).

34204945 is an equidigital number, since it uses as much as digits as its factorization.

34204945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6840994.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 34204945 is about 5848.4993801829. The cubic root of 34204945 is about 324.6108003772.

The spelling of 34204945 in words is "thirty-four million, two hundred four thousand, nine hundred forty-five".