67944646 has 48 divisors (see below), whose sum is σ = 134830080. Its totient is φ = 25066800.

The previous prime is 67944623. The next prime is 67944673. The reversal of 67944646 is 64644976.

It is a junction number, because it is equal to n+sod(n) for n = 67944596 and 67944605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31131 + ... + 33241.

It is an arithmetic number, because the mean of its divisors is an integer number (2808960).

Almost surely, 2^67944646 is an apocalyptic number.

67944646 is a deficient number, since it is larger than the sum of its proper divisors (66885434).

67944646 is a wasteful number, since it uses less digits than its factorization.

67944646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2161 (or 2150 counting only the distinct ones).

The product of its digits is 870912, while the sum is 46.

The square root of 67944646 is about 8242.8542386724. The cubic root of 67944646 is about 408.0547272160.

The spelling of 67944646 in words is "sixty-seven million, nine hundred forty-four thousand, six hundred forty-six".