42344272 has 10 divisors (see below), whose sum is σ = 82042058. Its totient is φ = 21172128.

The previous prime is 42344261. The next prime is 42344273. The reversal of 42344272 is 27244324.

It can be written as a sum of positive squares in only one way, i.e., 30206016 + 12138256 = 5496^2 + 3484^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42344272.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42344273) 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 as a sum of consecutive naturals, namely, 1323243 + ... + 1323274.

Almost surely, 2^42344272 is an apocalyptic number.

It is an amenable number.

42344272 is a deficient number, since it is larger than the sum of its proper divisors (39697786).

42344272 is a wasteful number, since it uses less digits than its factorization.

42344272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2646525 (or 2646519 counting only the distinct ones).

The product of its digits is 10752, while the sum is 28.

The square root of 42344272 is about 6507.2476516573. The cubic root of 42344272 is about 348.5498420233.

Adding to 42344272 its reverse (27244324), we get a palindrome (69588596).

The spelling of 42344272 in words is "forty-two million, three hundred forty-four thousand, two hundred seventy-two".