42341434 has 4 divisors (see below), whose sum is σ = 63512154. Its totient is φ = 21170716.

The previous prime is 42341401. The next prime is 42341437. The reversal of 42341434 is 43414324.

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., 25979409 + 16362025 = 5097^2 + 4045^2 .

It is a junction number, because it is equal to n+sod(n) for n = 42341399 and 42341408.

It is not an unprimeable number, because it can be changed into a prime (42341437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10585357 + ... + 10585360.

Almost surely, 2^42341434 is an apocalyptic number.

42341434 is a deficient number, since it is larger than the sum of its proper divisors (21170720).

42341434 is a wasteful number, since it uses less digits than its factorization.

42341434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21170719.

The product of its digits is 4608, while the sum is 25.

The square root of 42341434 is about 6507.0295834582. The cubic root of 42341434 is about 348.5420550074.

Adding to 42341434 its reverse (43414324), we get a palindrome (85755758).

The spelling of 42341434 in words is "forty-two million, three hundred forty-one thousand, four hundred thirty-four".