63873442 has 8 divisors (see below), whose sum is σ = 95881500. Its totient is φ = 31912944.

The previous prime is 63873413. The next prime is 63873443. The reversal of 63873442 is 24437836.

It is a happy number.

63873442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 51825601 + 12047841 = 7199^2 + 3471^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (63873443) 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 in 3 ways as a sum of consecutive naturals, for example, 8317 + ... + 14032.

Almost surely, 2^63873442 is an apocalyptic number.

63873442 is a deficient number, since it is larger than the sum of its proper divisors (32008058).

63873442 is a wasteful number, since it uses less digits than its factorization.

63873442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23780.

The product of its digits is 96768, while the sum is 37.

The square root of 63873442 is about 7992.0862107462. The cubic root of 63873442 is about 399.7361635140.

The spelling of 63873442 in words is "sixty-three million, eight hundred seventy-three thousand, four hundred forty-two".