67923828 has 36 divisors (see below), whose sum is σ = 196225120. Its totient is φ = 19406736.

The previous prime is 67923811. The next prime is 67923833. The reversal of 67923828 is 82832976.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×67923828² = 9227292820347168, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 134518 + ... + 135021.

Almost surely, 2^67923828 is an apocalyptic number.

It is an amenable number.

67923828 is an abundant number, since it is smaller than the sum of its proper divisors (128301292).

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

67923828 is a wasteful number, since it uses less digits than its factorization.

67923828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269556 (or 269551 counting only the distinct ones).

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

The square root of 67923828 is about 8241.5913511894. The cubic root of 67923828 is about 408.0130474490.

The spelling of 67923828 in words is "sixty-seven million, nine hundred twenty-three thousand, eight hundred twenty-eight".