63934907 has 4 divisors (see below), whose sum is σ = 65141280. Its totient is φ = 62728536.

The previous prime is 63934903. The next prime is 63934921. The reversal of 63934907 is 70943936.

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 63934907 - 2² = 63934903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63934901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 603107 + ... + 603212.

It is an arithmetic number, because the mean of its divisors is an integer number (16285320).

Almost surely, 2^63934907 is an apocalyptic number.

63934907 is a deficient number, since it is larger than the sum of its proper divisors (1206373).

63934907 is a wasteful number, since it uses less digits than its factorization.

63934907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1206372.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 63934907 is about 7995.9306525257. The cubic root of 63934907 is about 399.8643435819.

The spelling of 63934907 in words is "sixty-three million, nine hundred thirty-four thousand, nine hundred seven".