42733775 has 24 divisors (see below), whose sum is σ = 61124064. Its totient is φ = 29030400.

The previous prime is 42733771. The next prime is 42733781. The reversal of 42733775 is 57733724.

It is not a de Polignac number, because 42733775 - 2² = 42733771 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42733771) 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 23 ways as a sum of consecutive naturals, for example, 18695 + ... + 20855.

It is an arithmetic number, because the mean of its divisors is an integer number (2546836).

Almost surely, 2^42733775 is an apocalyptic number.

42733775 is a deficient number, since it is larger than the sum of its proper divisors (18390289).

42733775 is a wasteful number, since it uses less digits than its factorization.

42733775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2291 (or 2286 counting only the distinct ones).

The product of its digits is 123480, while the sum is 38.

The square root of 42733775 is about 6537.1075408012. The cubic root of 42733775 is about 349.6152915819.

The spelling of 42733775 in words is "forty-two million, seven hundred thirty-three thousand, seven hundred seventy-five".