34187045 has 4 divisors (see below), whose sum is σ = 41024460. Its totient is φ = 27349632.

The previous prime is 34187033. The next prime is 34187047. The reversal of 34187045 is 54078143.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54078143 = 7 ⋅7725449.

It can be written as a sum of positive squares in 2 ways, for example, as 13675204 + 20511841 = 3698^2 + 4529^2 .

It is a cyclic number.

It is not a de Polignac number, because 34187045 - 2⁴ = 34187029 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34187047) 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 3 ways as a sum of consecutive naturals, for example, 3418700 + ... + 3418709.

It is an arithmetic number, because the mean of its divisors is an integer number (10256115).

Almost surely, 2^34187045 is an apocalyptic number.

It is an amenable number.

34187045 is a deficient number, since it is larger than the sum of its proper divisors (6837415).

34187045 is an equidigital number, since it uses as much as digits as its factorization.

34187045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6837414.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 34187045 is about 5846.9688728434. The cubic root of 34187045 is about 324.5541658057.

The spelling of 34187045 in words is "thirty-four million, one hundred eighty-seven thousand, forty-five".