67984055 has 16 divisors (see below), whose sum is σ = 83389824. Its totient is φ = 53195040.

The previous prime is 67984051. The next prime is 67984079. The reversal of 67984055 is 55048976.

It is not a de Polignac number, because 67984055 - 2² = 67984051 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 67983997 and 67984015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67984051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43640 + ... + 45170.

It is an arithmetic number, because the mean of its divisors is an integer number (5211864).

Almost surely, 2^67984055 is an apocalyptic number.

67984055 is a deficient number, since it is larger than the sum of its proper divisors (15405769).

67984055 is a wasteful number, since it uses less digits than its factorization.

67984055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1726.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 67984055 is about 8245.2443869178. The cubic root of 67984055 is about 408.1336047613.

The spelling of 67984055 in words is "sixty-seven million, nine hundred eighty-four thousand, fifty-five".