42434774 has 4 divisors (see below), whose sum is σ = 63652164. Its totient is φ = 21217386.

The previous prime is 42434773. The next prime is 42434779. The reversal of 42434774 is 47743424.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42434773) by changing a digit.

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 as a sum of consecutive naturals, namely, 10608692 + ... + 10608695.

It is an arithmetic number, because the mean of its divisors is an integer number (15913041).

Almost surely, 2^42434774 is an apocalyptic number.

42434774 is a deficient number, since it is larger than the sum of its proper divisors (21217390).

42434774 is a wasteful number, since it uses less digits than its factorization.

42434774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21217389.

The product of its digits is 75264, while the sum is 35.

The square root of 42434774 is about 6514.1978784805. The cubic root of 42434774 is about 348.7979827181.

The spelling of 42434774 in words is "forty-two million, four hundred thirty-four thousand, seven hundred seventy-four".