42633647 has 8 divisors (see below), whose sum is σ = 48880416. Its totient is φ = 36425952.

The previous prime is 42633631. The next prime is 42633691. The reversal of 42633647 is 74633624.

42633647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42633647 - 2⁴ = 42633631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42633607) 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 7 ways as a sum of consecutive naturals, for example, 7388 + ... + 11825.

It is an arithmetic number, because the mean of its divisors is an integer number (6110052).

Almost surely, 2^42633647 is an apocalyptic number.

42633647 is a deficient number, since it is larger than the sum of its proper divisors (6246769).

42633647 is a wasteful number, since it uses less digits than its factorization.

42633647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19537.

The product of its digits is 72576, while the sum is 35.

The square root of 42633647 is about 6529.4446165045. Note that the first 3 decimals coincide. The cubic root of 42633647 is about 349.3420209568.

The spelling of 42633647 in words is "forty-two million, six hundred thirty-three thousand, six hundred forty-seven".