67638796 has 6 divisors (see below), whose sum is σ = 118367900. Its totient is φ = 33819396.

The previous prime is 67638787. The next prime is 67638797. The reversal of 67638796 is 69783676.

It is not an unprimeable number, because it can be changed into a prime (67638797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8454846 + ... + 8454853.

Almost surely, 2^67638796 is an apocalyptic number.

It is an amenable number.

67638796 is a deficient number, since it is larger than the sum of its proper divisors (50729104).

67638796 is a wasteful number, since it uses less digits than its factorization.

67638796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16909703 (or 16909701 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 52.

The square root of 67638796 is about 8224.2808804174. The cubic root of 67638796 is about 407.4415257283.

The spelling of 67638796 in words is "sixty-seven million, six hundred thirty-eight thousand, seven hundred ninety-six".