67213964 has 12 divisors (see below), whose sum is σ = 119844144. Its totient is φ = 32972784.

The previous prime is 67213961. The next prime is 67213969. The reversal of 67213964 is 46931276.

It is not an unprimeable number, because it can be changed into a prime (67213961) 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, 158312 + ... + 158735.

It is an arithmetic number, because the mean of its divisors is an integer number (9987012).

Almost surely, 2^67213964 is an apocalyptic number.

It is an amenable number.

67213964 is a deficient number, since it is larger than the sum of its proper divisors (52630180).

67213964 is a wasteful number, since it uses less digits than its factorization.

67213964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317104 (or 317102 counting only the distinct ones).

The product of its digits is 54432, while the sum is 38.

The square root of 67213964 is about 8198.4122853148. The cubic root of 67213964 is about 406.5867014080.

The spelling of 67213964 in words is "sixty-seven million, two hundred thirteen thousand, nine hundred sixty-four".