42743433 has 4 divisors (see below), whose sum is σ = 56991248. Its totient is φ = 28495620.

The previous prime is 42743417. The next prime is 42743479. The reversal of 42743433 is 33434724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42743433 - 2⁴ = 42743417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42743433.

It is not an unprimeable number, because it can be changed into a prime (42743413) 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 in 3 ways as a sum of consecutive naturals, for example, 7123903 + ... + 7123908.

It is an arithmetic number, because the mean of its divisors is an integer number (14247812).

Almost surely, 2^42743433 is an apocalyptic number.

It is an amenable number.

42743433 is a deficient number, since it is larger than the sum of its proper divisors (14247815).

42743433 is a wasteful number, since it uses less digits than its factorization.

42743433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14247814.

The product of its digits is 24192, while the sum is 30.

The square root of 42743433 is about 6537.8462049822. The cubic root of 42743433 is about 349.6416277383.

The spelling of 42743433 in words is "forty-two million, seven hundred forty-three thousand, four hundred thirty-three".