63738138 has 8 divisors (see below), whose sum is σ = 127476288. Its totient is φ = 21246044.

The previous prime is 63738127. The next prime is 63738163. The reversal of 63738138 is 83183736.

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

63738138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 63738096 and 63738105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5311506 + ... + 5311517.

It is an arithmetic number, because the mean of its divisors is an integer number (15934536).

Almost surely, 2^63738138 is an apocalyptic number.

63738138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63738138 is a wasteful number, since it uses less digits than its factorization.

63738138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10623028.

The product of its digits is 72576, while the sum is 39.

The square root of 63738138 is about 7983.6168495238. The cubic root of 63738138 is about 399.4537084201.

The spelling of 63738138 in words is "sixty-three million, seven hundred thirty-eight thousand, one hundred thirty-eight".