42422734 has 4 divisors (see below), whose sum is σ = 63634104. Its totient is φ = 21211366.

The previous prime is 42422729. The next prime is 42422749. The reversal of 42422734 is 43722424.

42422734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10605682 + ... + 10605685.

It is an arithmetic number, because the mean of its divisors is an integer number (15908526).

Almost surely, 2^42422734 is an apocalyptic number.

42422734 is a deficient number, since it is larger than the sum of its proper divisors (21211370).

42422734 is a wasteful number, since it uses less digits than its factorization.

42422734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21211369.

The product of its digits is 10752, while the sum is 28.

The square root of 42422734 is about 6513.2736776524. The cubic root of 42422734 is about 348.7649914977.

The spelling of 42422734 in words is "forty-two million, four hundred twenty-two thousand, seven hundred thirty-four".