67828825 has 12 divisors (see below), whose sum is σ = 87008940. Its totient is φ = 52391360.

The previous prime is 67828811. The next prime is 67828843. The reversal of 67828825 is 52882876.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 4260096 + 63568729 = 2064^2 + 7973^2 .

It is not a de Polignac number, because 67828825 - 2¹¹ = 67826777 is a prime.

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, 46054 + ... + 47503.

It is an arithmetic number, because the mean of its divisors is an integer number (7250745).

Almost surely, 2^67828825 is an apocalyptic number.

It is an amenable number.

67828825 is a deficient number, since it is larger than the sum of its proper divisors (19180115).

67828825 is a wasteful number, since it uses less digits than its factorization.

67828825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93596 (or 93591 counting only the distinct ones).

The product of its digits is 430080, while the sum is 46.

The square root of 67828825 is about 8235.8257023810. The cubic root of 67828825 is about 407.8227335306.

The spelling of 67828825 in words is "sixty-seven million, eight hundred twenty-eight thousand, eight hundred twenty-five".