67654328 has 16 divisors (see below), whose sum is σ = 144973680. Its totient is φ = 28994688.

The previous prime is 67654309. The next prime is 67654333. The reversal of 67654328 is 82345676.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 604001 + ... + 604112.

It is an arithmetic number, because the mean of its divisors is an integer number (9060855).

Almost surely, 2^67654328 is an apocalyptic number.

It is an amenable number.

67654328 is an abundant number, since it is smaller than the sum of its proper divisors (77319352).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67654328 is a wasteful number, since it uses less digits than its factorization.

67654328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1208126 (or 1208122 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 67654328 is about 8225.2251033026. The cubic root of 67654328 is about 407.4727104813.

The spelling of 67654328 in words is "sixty-seven million, six hundred fifty-four thousand, three hundred twenty-eight".