63075442 has 4 divisors (see below), whose sum is σ = 94613166. Its totient is φ = 31537720.

The previous prime is 63075433. The next prime is 63075443. The reversal of 63075442 is 24457036.

63075442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 48566961 + 14508481 = 6969^2 + 3809^2 .

It is a super-2 number, since 2×63075442² = 7957022766990728, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (63075443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15768859 + ... + 15768862.

Almost surely, 2^63075442 is an apocalyptic number.

63075442 is a deficient number, since it is larger than the sum of its proper divisors (31537724).

63075442 is a wasteful number, since it uses less digits than its factorization.

63075442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31537723.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 63075442 is about 7942.0049106003. The cubic root of 63075442 is about 398.0644870803.

The spelling of 63075442 in words is "sixty-three million, seventy-five thousand, four hundred forty-two".