63974005 has 8 divisors (see below), whose sum is σ = 76852224. Its totient is φ = 51123600.

The previous prime is 63973991. The next prime is 63974011. The reversal of 63974005 is 50047936.

63974005 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 63974005 - 2⁹ = 63973493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1501 + ... + 11410.

It is an arithmetic number, because the mean of its divisors is an integer number (9606528).

Almost surely, 2^63974005 is an apocalyptic number.

It is an amenable number.

63974005 is a deficient number, since it is larger than the sum of its proper divisors (12878219).

63974005 is a wasteful number, since it uses less digits than its factorization.

63974005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13907.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 63974005 is about 7998.3751474909. The cubic root of 63974005 is about 399.9458364161.

The spelling of 63974005 in words is "sixty-three million, nine hundred seventy-four thousand, five".