42070434 has 32 divisors (see below), whose sum is σ = 96353280. Its totient is φ = 11996112.

The previous prime is 42070429. The next prime is 42070447. The reversal of 42070434 is 43407024.

42070434 is nontrivially palindromic in base 5.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40777 + ... + 41795.

It is an arithmetic number, because the mean of its divisors is an integer number (3011040).

Almost surely, 2^42070434 is an apocalyptic number.

42070434 is an abundant number, since it is smaller than the sum of its proper divisors (54282846).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42070434 is a wasteful number, since it uses less digits than its factorization.

42070434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014.

The product of its (nonzero) digits is 2688, while the sum is 24.

The square root of 42070434 is about 6486.1725231449. The cubic root of 42070434 is about 347.7968658599.

Adding to 42070434 its reverse (43407024), we get a palindrome (85477458).

The spelling of 42070434 in words is "forty-two million, seventy thousand, four hundred thirty-four".