34210042 has 4 divisors (see below), whose sum is σ = 51315066. Its totient is φ = 17105020.

The previous prime is 34210037. The next prime is 34210067. The reversal of 34210042 is 24001243.

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., 33860761 + 349281 = 5819^2 + 591^2 .

It is a junction number, because it is equal to n+sod(n) for n = 34209998 and 34210025.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8552509 + ... + 8552512.

Almost surely, 2^34210042 is an apocalyptic number.

34210042 is a deficient number, since it is larger than the sum of its proper divisors (17105024).

34210042 is a wasteful number, since it uses less digits than its factorization.

34210042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17105023.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 34210042 is about 5848.9351167542. The cubic root of 34210042 is about 324.6269233780.

Adding to 34210042 its reverse (24001243), we get a palindrome (58211285).

The spelling of 34210042 in words is "thirty-four million, two hundred ten thousand, forty-two".