63401467 has 4 divisors (see below), whose sum is σ = 63805456. Its totient is φ = 62997480.

The previous prime is 63401447. The next prime is 63401473. The reversal of 63401467 is 76410436.

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 63401467 - 2¹⁹ = 62877179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63401447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201759 + ... + 202072.

It is an arithmetic number, because the mean of its divisors is an integer number (15951364).

Almost surely, 2^63401467 is an apocalyptic number.

63401467 is a deficient number, since it is larger than the sum of its proper divisors (403989).

63401467 is a wasteful number, since it uses less digits than its factorization.

63401467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403988.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 63401467 is about 7962.5038147558. The cubic root of 63401467 is about 398.7491487552.

The spelling of 63401467 in words is "sixty-three million, four hundred one thousand, four hundred sixty-seven".