34647149 has 4 divisors (see below), whose sum is σ = 34756764. Its totient is φ = 34537536.

The previous prime is 34647103. The next prime is 34647157. The reversal of 34647149 is 94174643.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2271049 + 32376100 = 1507^2 + 5690^2 .

It is a cyclic number.

It is not a de Polignac number, because 34647149 - 2²⁰ = 33598573 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 (34647749) 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, 54332 + ... + 54965.

It is an arithmetic number, because the mean of its divisors is an integer number (8689191).

Almost surely, 2^34647149 is an apocalyptic number.

It is an amenable number.

34647149 is a deficient number, since it is larger than the sum of its proper divisors (109615).

34647149 is a wasteful number, since it uses less digits than its factorization.

34647149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109614.

The product of its digits is 72576, while the sum is 38.

The square root of 34647149 is about 5886.1828887659. The cubic root of 34647149 is about 326.0036790582.

The spelling of 34647149 in words is "thirty-four million, six hundred forty-seven thousand, one hundred forty-nine".