63734863 has 4 divisors (see below), whose sum is σ = 66505968. Its totient is φ = 60963760.

The previous prime is 63734833. The next prime is 63734897. The reversal of 63734863 is 36843736.

63734863 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 63734863 - 2¹³ = 63726671 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 (63734833) 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, 1385518 + ... + 1385563.

It is an arithmetic number, because the mean of its divisors is an integer number (16626492).

Almost surely, 2^63734863 is an apocalyptic number.

63734863 is a deficient number, since it is larger than the sum of its proper divisors (2771105).

63734863 is a wasteful number, since it uses less digits than its factorization.

63734863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771104.

The product of its digits is 217728, while the sum is 40.

The square root of 63734863 is about 7983.4117393505. The cubic root of 63734863 is about 399.4468667115.

It can be divided in two parts, 6373 and 4863, that added together give a square (11236 = 106²).

The spelling of 63734863 in words is "sixty-three million, seven hundred thirty-four thousand, eight hundred sixty-three".