34340042 has 24 divisors (see below), whose sum is σ = 58016196. Its totient is φ = 15224000.

The previous prime is 34340041. The next prime is 34340057. The reversal of 34340042 is 24004343.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 27994681 + 6345361 = 5291^2 + 2519^2 .

It is a junction number, because it is equal to n+sod(n) for n = 34339996 and 34340023.

It is not an unprimeable number, because it can be changed into a prime (34340041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8192 + ... + 11652.

Almost surely, 2^34340042 is an apocalyptic number.

34340042 is a deficient number, since it is larger than the sum of its proper divisors (23676154).

34340042 is a wasteful number, since it uses less digits than its factorization.

34340042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3526 (or 3515 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 34340042 is about 5860.0377131892. The cubic root of 34340042 is about 325.0376035385.

Adding to 34340042 its reverse (24004343), we get a palindrome (58344385).

The spelling of 34340042 in words is "thirty-four million, three hundred forty thousand, forty-two".