34004042 has 4 divisors (see below), whose sum is σ = 51006066. Its totient is φ = 17002020.

The previous prime is 34004017. The next prime is 34004071. The reversal of 34004042 is 24040043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24040043 = 29 ⋅828967.

It can be written as a sum of positive squares in only one way, i.e., 34000561 + 3481 = 5831^2 + 59^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 34004042.

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 as a sum of consecutive naturals, namely, 8501009 + ... + 8501012.

Almost surely, 2^34004042 is an apocalyptic number.

34004042 is a deficient number, since it is larger than the sum of its proper divisors (17002024).

34004042 is a wasteful number, since it uses less digits than its factorization.

34004042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17002023.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 34004042 is about 5831.2984831854. The cubic root of 34004042 is about 323.9740173748.

Adding to 34004042 its reverse (24040043), we get a palindrome (58044085).

The spelling of 34004042 in words is "thirty-four million, four thousand, forty-two", and thus it is an eban number.