42434775 has 36 divisors (see below), whose sum is σ = 76570000. Its totient is φ = 22464000.

The previous prime is 42434773. The next prime is 42434779. The reversal of 42434775 is 57743424.

It is not a de Polignac number, because 42434775 - 2¹ = 42434773 is a prime.

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 polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 33351 + ... + 34599.

Almost surely, 2^42434775 is an apocalyptic number.

42434775 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42434775 is a deficient number, since it is larger than the sum of its proper divisors (34135225).

42434775 is a wasteful number, since it uses less digits than its factorization.

42434775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1416 (or 1408 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 42434775 is about 6514.1979552359. The cubic root of 42434775 is about 348.7979854580.

The spelling of 42434775 in words is "forty-two million, four hundred thirty-four thousand, seven hundred seventy-five".