42274934 has 16 divisors (see below), whose sum is σ = 69880272. Its totient is φ = 19057248.

The previous prime is 42274931. The next prime is 42274987. The reversal of 42274934 is 43947224.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 42274894 and 42274903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42274931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17789 + ... + 20024.

It is an arithmetic number, because the mean of its divisors is an integer number (4367517).

Almost surely, 2^42274934 is an apocalyptic number.

42274934 is a deficient number, since it is larger than the sum of its proper divisors (27605338).

42274934 is a wasteful number, since it uses less digits than its factorization.

42274934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37871.

The product of its digits is 48384, while the sum is 35.

The square root of 42274934 is about 6501.9177171047. The cubic root of 42274934 is about 348.3594900092.

The spelling of 42274934 in words is "forty-two million, two hundred seventy-four thousand, nine hundred thirty-four".