67981048 has 16 divisors (see below), whose sum is σ = 128898000. Its totient is φ = 33608256.

The previous prime is 67981037. The next prime is 67981049. The reversal of 67981048 is 84018976.

It is a junction number, because it is equal to n+sod(n) for n = 67980995 and 67981013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67981049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47028 + ... + 48451.

It is an arithmetic number, because the mean of its divisors is an integer number (8056125).

Almost surely, 2^67981048 is an apocalyptic number.

It is an amenable number.

67981048 is a deficient number, since it is larger than the sum of its proper divisors (60916952).

67981048 is a wasteful number, since it uses less digits than its factorization.

67981048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95574 (or 95570 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 67981048 is about 8245.0620373652. The cubic root of 67981048 is about 408.1275872922.

The spelling of 67981048 in words is "sixty-seven million, nine hundred eighty-one thousand, forty-eight".