67634312 has 16 divisors (see below), whose sum is σ = 130905600. Its totient is φ = 32726160.

The previous prime is 67634311. The next prime is 67634377. The reversal of 67634312 is 21343676.

It is not an unprimeable number, because it can be changed into a prime (67634311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136112 + ... + 136607.

It is an arithmetic number, because the mean of its divisors is an integer number (8181600).

Almost surely, 2^67634312 is an apocalyptic number.

67634312 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

67634312 is a deficient number, since it is larger than the sum of its proper divisors (63271288).

67634312 is a wasteful number, since it uses less digits than its factorization.

67634312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272756 (or 272752 counting only the distinct ones).

The product of its digits is 18144, while the sum is 32.

The square root of 67634312 is about 8224.0082684783. The cubic root of 67634312 is about 407.4325219796.

Adding to 67634312 its reverse (21343676), we get a palindrome (88977988).

The spelling of 67634312 in words is "sixty-seven million, six hundred thirty-four thousand, three hundred twelve".