67113928 has 48 divisors (see below), whose sum is σ = 154105200. Its totient is φ = 27246240.

The previous prime is 67113923. The next prime is 67113929. The reversal of 67113928 is 82931176.

It is not an unprimeable number, because it can be changed into a prime (67113923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2943 + ... + 11953.

It is an arithmetic number, because the mean of its divisors is an integer number (3210525).

Almost surely, 2^67113928 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67113928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77052600).

67113928 is an abundant number, since it is smaller than the sum of its proper divisors (86991272).

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

67113928 is a wasteful number, since it uses less digits than its factorization.

67113928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9050 (or 9039 counting only the distinct ones).

The product of its digits is 18144, while the sum is 37.

The square root of 67113928 is about 8192.3090762007. The cubic root of 67113928 is about 406.3848906539.

The spelling of 67113928 in words is "sixty-seven million, one hundred thirteen thousand, nine hundred twenty-eight".