63742641 has 8 divisors (see below), whose sum is σ = 86966880. Its totient is φ = 41506752.

The previous prime is 63742619. The next prime is 63742643. The reversal of 63742641 is 14624736.

It is a happy number.

63742641 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 not a de Polignac number, because 63742641 - 2⁷ = 63742513 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63742643) 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, 246936 + ... + 247193.

It is an arithmetic number, because the mean of its divisors is an integer number (10870860).

Almost surely, 2^63742641 is an apocalyptic number.

It is an amenable number.

63742641 is a deficient number, since it is larger than the sum of its proper divisors (23224239).

63742641 is a wasteful number, since it uses less digits than its factorization.

63742641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494175.

The product of its digits is 24192, while the sum is 33.

The square root of 63742641 is about 7983.8988595798. The cubic root of 63742641 is about 399.4631151257.

The spelling of 63742641 in words is "sixty-three million, seven hundred forty-two thousand, six hundred forty-one".