42430334 has 8 divisors (see below), whose sum is σ = 67389408. Its totient is φ = 19967200.

The previous prime is 42430327. The next prime is 42430357. The reversal of 42430334 is 43303424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 623942 + ... + 624009.

It is an arithmetic number, because the mean of its divisors is an integer number (8423676).

Almost surely, 2^42430334 is an apocalyptic number.

42430334 is a deficient number, since it is larger than the sum of its proper divisors (24959074).

42430334 is a wasteful number, since it uses less digits than its factorization.

42430334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247970.

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 42430334 is about 6513.8570754968. The cubic root of 42430334 is about 348.7858172469.

Adding to 42430334 its reverse (43303424), we get a palindrome (85733758).

The spelling of 42430334 in words is "forty-two million, four hundred thirty thousand, three hundred thirty-four".