34940042 has 4 divisors (see below), whose sum is σ = 52410066. Its totient is φ = 17470020.

The previous prime is 34940033. The next prime is 34940047. The reversal of 34940042 is 24004943.

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., 34939921 + 121 = 5911^2 + 11^2 .

It is a junction number, because it is equal to n+sod(n) for n = 34939993 and 34940020.

It is not an unprimeable number, because it can be changed into a prime (34940047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8735009 + ... + 8735012.

Almost surely, 2^34940042 is an apocalyptic number.

34940042 is a deficient number, since it is larger than the sum of its proper divisors (17470024).

34940042 is a wasteful number, since it uses less digits than its factorization.

34940042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17470023.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 34940042 is about 5911.0102351459. The cubic root of 34940042 is about 326.9197370242.

Adding to 34940042 its reverse (24004943), we get a palindrome (58944985).

The spelling of 34940042 in words is "thirty-four million, nine hundred forty thousand, forty-two".