63638067 has 16 divisors (see below), whose sum is σ = 86592672. Its totient is φ = 41560320.

The previous prime is 63638063. The next prime is 63638119. The reversal of 63638067 is 76083636.

It is a happy number.

63638067 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 63638067 - 2² = 63638063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63638063) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 57463 + ... + 58559.

It is an arithmetic number, because the mean of its divisors is an integer number (5412042).

Almost surely, 2^63638067 is an apocalyptic number.

63638067 is a deficient number, since it is larger than the sum of its proper divisors (22954605).

63638067 is a wasteful number, since it uses less digits than its factorization.

63638067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1478.

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 63638067 is about 7977.3471154263. The cubic root of 63638067 is about 399.2445470420.

The spelling of 63638067 in words is "sixty-three million, six hundred thirty-eight thousand, sixty-seven".