67944764 has 12 divisors (see below), whose sum is σ = 119161224. Its totient is φ = 33898704.

The previous prime is 67944761. The next prime is 67944791. The reversal of 67944764 is 46744976.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67944761) 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, 16319 + ... + 20054.

It is an arithmetic number, because the mean of its divisors is an integer number (9930102).

Almost surely, 2^67944764 is an apocalyptic number.

It is an amenable number.

67944764 is a deficient number, since it is larger than the sum of its proper divisors (51216460).

67944764 is a wasteful number, since it uses less digits than its factorization.

67944764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36844 (or 36842 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 47.

The square root of 67944764 is about 8242.8613963841. The cubic root of 67944764 is about 408.0549634399.

The spelling of 67944764 in words is "sixty-seven million, nine hundred forty-four thousand, seven hundred sixty-four".