42834634 has 4 divisors (see below), whose sum is σ = 64251954. Its totient is φ = 21417316.

The previous prime is 42834629. The next prime is 42834643. The reversal of 42834634 is 43643824.

42834634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 26553409 + 16281225 = 5153^2 + 4035^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42834634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10708657 + ... + 10708660.

Almost surely, 2^42834634 is an apocalyptic number.

42834634 is a deficient number, since it is larger than the sum of its proper divisors (21417320).

42834634 is a wasteful number, since it uses less digits than its factorization.

42834634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21417319.

The product of its digits is 55296, while the sum is 34.

The square root of 42834634 is about 6544.8173389332. The cubic root of 42834634 is about 349.8901260556.

The spelling of 42834634 in words is "forty-two million, eight hundred thirty-four thousand, six hundred thirty-four".