63842347 has 4 divisors (see below), whose sum is σ = 64265296. Its totient is φ = 63419400.

The previous prime is 63842341. The next prime is 63842399. The reversal of 63842347 is 74324836.

It is a happy number.

63842347 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 is a cyclic number.

It is not a de Polignac number, because 63842347 - 2¹¹ = 63840299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63842341) 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, 211248 + ... + 211549.

It is an arithmetic number, because the mean of its divisors is an integer number (16066324).

Almost surely, 2^63842347 is an apocalyptic number.

63842347 is a deficient number, since it is larger than the sum of its proper divisors (422949).

63842347 is a wasteful number, since it uses less digits than its factorization.

63842347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422948.

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

The square root of 63842347 is about 7990.1406120293. The cubic root of 63842347 is about 399.6712861921.

The spelling of 63842347 in words is "sixty-three million, eight hundred forty-two thousand, three hundred forty-seven".