42232773 has 16 divisors (see below), whose sum is σ = 61572096. Its totient is φ = 25536240.

The previous prime is 42232759. The next prime is 42232783. The reversal of 42232773 is 37723224.

It is not a de Polignac number, because 42232773 - 2¹⁸ = 41970629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42232773.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42232703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16036 + ... + 18482.

It is an arithmetic number, because the mean of its divisors is an integer number (3848256).

Almost surely, 2^42232773 is an apocalyptic number.

It is an amenable number.

42232773 is a deficient number, since it is larger than the sum of its proper divisors (19339323).

42232773 is a wasteful number, since it uses less digits than its factorization.

42232773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984.

The product of its digits is 14112, while the sum is 30.

The square root of 42232773 is about 6498.6747110469. The cubic root of 42232773 is about 348.2436446109.

Adding to 42232773 its reverse (37723224), we get a palindrome (79955997).

It can be divided in two parts, 4223 and 2773, that added together give a palindrome (6996).

The spelling of 42232773 in words is "forty-two million, two hundred thirty-two thousand, seven hundred seventy-three".