63683427 has 8 divisors (see below), whose sum is σ = 84997120. Its totient is φ = 42412680.

The previous prime is 63683419. The next prime is 63683437. The reversal of 63683427 is 72438636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63683427 - 2³ = 63683419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63683437) 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 7 ways as a sum of consecutive naturals, for example, 7099 + ... + 13332.

It is an arithmetic number, because the mean of its divisors is an integer number (10624640).

Almost surely, 2^63683427 is an apocalyptic number.

63683427 is a deficient number, since it is larger than the sum of its proper divisors (21313693).

63683427 is a wasteful number, since it uses less digits than its factorization.

63683427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21473.

The product of its digits is 145152, while the sum is 39.

The square root of 63683427 is about 7980.1896594003. The cubic root of 63683427 is about 399.3393824785.

The spelling of 63683427 in words is "sixty-three million, six hundred eighty-three thousand, four hundred twenty-seven".