67328885 has 8 divisors (see below), whose sum is σ = 87009720. Its totient is φ = 49719744.

The previous prime is 67328879. The next prime is 67328909. The reversal of 67328885 is 58882376.

It can be written as a sum of positive squares in 4 ways, for example, as 857476 + 66471409 = 926^2 + 8153^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67328885 - 2¹⁶ = 67263349 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 517850 + ... + 517979.

It is an arithmetic number, because the mean of its divisors is an integer number (10876215).

Almost surely, 2^67328885 is an apocalyptic number.

67328885 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

67328885 is a deficient number, since it is larger than the sum of its proper divisors (19680835).

67328885 is a wasteful number, since it uses less digits than its factorization.

67328885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035847.

The product of its digits is 645120, while the sum is 47.

The square root of 67328885 is about 8205.4180271330. The cubic root of 67328885 is about 406.8182938867.

The spelling of 67328885 in words is "sixty-seven million, three hundred twenty-eight thousand, eight hundred eighty-five".