67635138 has 8 divisors (see below), whose sum is σ = 135270288. Its totient is φ = 22545044.

The previous prime is 67635137. The next prime is 67635179. The reversal of 67635138 is 83153676.

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

67635138 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 67635096 and 67635105.

It is not an unprimeable number, because it can be changed into a prime (67635131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5636256 + ... + 5636267.

It is an arithmetic number, because the mean of its divisors is an integer number (16908786).

Almost surely, 2^67635138 is an apocalyptic number.

67635138 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.

67635138 is a wasteful number, since it uses less digits than its factorization.

67635138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11272528.

The product of its digits is 90720, while the sum is 39.

The square root of 67635138 is about 8224.0584871461. The cubic root of 67635138 is about 407.4341805948.

The spelling of 67635138 in words is "sixty-seven million, six hundred thirty-five thousand, one hundred thirty-eight".