67964128 has 12 divisors (see below), whose sum is σ = 133804440. Its totient is φ = 33982048.

The previous prime is 67964119. The next prime is 67964131. The reversal of 67964128 is 82146976.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061908 + ... + 1061971.

It is an arithmetic number, because the mean of its divisors is an integer number (11150370).

Almost surely, 2^67964128 is an apocalyptic number.

It is an amenable number.

67964128 is a deficient number, since it is larger than the sum of its proper divisors (65840312).

67964128 is a wasteful number, since it uses less digits than its factorization.

67964128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123889 (or 2123881 counting only the distinct ones).

The product of its digits is 145152, while the sum is 43.

The square root of 67964128 is about 8244.0359048223. The cubic root of 67964128 is about 408.0937244634.

The spelling of 67964128 in words is "sixty-seven million, nine hundred sixty-four thousand, one hundred twenty-eight".