67489028 has 12 divisors (see below), whose sum is σ = 118164480. Its totient is φ = 33727752.

The previous prime is 67489013. The next prime is 67489049. The reversal of 67489028 is 82098476.

It is a self number, because there is not a number n which added to its sum of digits gives 67489028.

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, 10925 + ... + 15947.

It is an arithmetic number, because the mean of its divisors is an integer number (9847040).

Almost surely, 2^67489028 is an apocalyptic number.

It is an amenable number.

67489028 is a deficient number, since it is larger than the sum of its proper divisors (50675452).

67489028 is a wasteful number, since it uses less digits than its factorization.

67489028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8386 (or 8384 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 67489028 is about 8215.1706007849. The cubic root of 67489028 is about 407.1405801159.

The spelling of 67489028 in words is "sixty-seven million, four hundred eighty-nine thousand, twenty-eight".