42434827 has 6 divisors (see below), whose sum is σ = 43029492. Its totient is φ = 41848272.

The previous prime is 42434803. The next prime is 42434831. The reversal of 42434827 is 72843424.

It is not a de Polignac number, because 42434827 - 2¹¹ = 42432779 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42434792 and 42434801.

It is not an unprimeable number, because it can be changed into a prime (42434857) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1348 + ... + 9310.

It is an arithmetic number, because the mean of its divisors is an integer number (7171582).

Almost surely, 2^42434827 is an apocalyptic number.

42434827 is a deficient number, since it is larger than the sum of its proper divisors (594665).

42434827 is an frugal number, since it uses more digits than its factorization.

42434827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8109 (or 8036 counting only the distinct ones).

The product of its digits is 43008, while the sum is 34.

The square root of 42434827 is about 6514.2019465165. The cubic root of 42434827 is about 348.7981279314.

The spelling of 42434827 in words is "forty-two million, four hundred thirty-four thousand, eight hundred twenty-seven".