67928328 has 128 divisors (see below), whose sum is σ = 215308800. Its totient is φ = 19657728.

The previous prime is 67928323. The next prime is 67928339. The reversal of 67928328 is 82382976.

It is a super-2 number, since 2×67928328² = 9228515489751168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (67928321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47025 + ... + 48447.

It is an arithmetic number, because the mean of its divisors is an integer number (1682100).

Almost surely, 2^67928328 is an apocalyptic number.

67928328 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 67928328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107654400).

67928328 is an abundant number, since it is smaller than the sum of its proper divisors (147380472).

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

67928328 is a wasteful number, since it uses less digits than its factorization.

67928328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468 (or 1458 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 67928328 is about 8241.8643521960. The cubic root of 67928328 is about 408.0220576310.

The spelling of 67928328 in words is "sixty-seven million, nine hundred twenty-eight thousand, three hundred twenty-eight".