67132928 has 80 divisors (see below), whose sum is σ = 144693120. Its totient is φ = 31021056.

The previous prime is 67132921. The next prime is 67132943. The reversal of 67132928 is 82923176.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 67132891 and 67132900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67132921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651725 + ... + 651827.

It is an arithmetic number, because the mean of its divisors is an integer number (1808664).

Almost surely, 2^67132928 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 67132928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72346560).

67132928 is an abundant number, since it is smaller than the sum of its proper divisors (77560192).

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

67132928 is a wasteful number, since it uses less digits than its factorization.

67132928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207 (or 191 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 67132928 is about 8193.4686183569. The cubic root of 67132928 is about 406.4232363179.

The spelling of 67132928 in words is "sixty-seven million, one hundred thirty-two thousand, nine hundred twenty-eight".