42575444 has 6 divisors (see below), whose sum is σ = 74507034. Its totient is φ = 21287720.

The previous prime is 42575413. The next prime is 42575459. The reversal of 42575444 is 44457524.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 40806544 + 1768900 = 6388^2 + 1330^2 .

It is a congruent number.

It is an unprimeable number.

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, 5321927 + ... + 5321934.

It is an arithmetic number, because the mean of its divisors is an integer number (12417839).

Almost surely, 2^42575444 is an apocalyptic number.

It is an amenable number.

42575444 is a deficient number, since it is larger than the sum of its proper divisors (31931590).

42575444 is a wasteful number, since it uses less digits than its factorization.

42575444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10643865 (or 10643863 counting only the distinct ones).

The product of its digits is 89600, while the sum is 35.

The square root of 42575444 is about 6524.9861302535. The cubic root of 42575444 is about 349.1829758927.

The spelling of 42575444 in words is "forty-two million, five hundred seventy-five thousand, four hundred forty-four".