67783325 has 6 divisors (see below), whose sum is σ = 84051354. Its totient is φ = 54226640.

The previous prime is 67783319. The next prime is 67783349. The reversal of 67783325 is 52338776.

It can be written as a sum of positive squares in 3 ways, for example, as 444889 + 67338436 = 667^2 + 8206^2 .

It is not a de Polignac number, because 67783325 - 2⁸ = 67783069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1355642 + ... + 1355691.

It is an arithmetic number, because the mean of its divisors is an integer number (14008559).

Almost surely, 2^67783325 is an apocalyptic number.

It is an amenable number.

67783325 is a deficient number, since it is larger than the sum of its proper divisors (16268029).

67783325 is a wasteful number, since it uses less digits than its factorization.

67783325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711343 (or 2711338 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 67783325 is about 8233.0629172866. The cubic root of 67783325 is about 407.7315231194.

The spelling of 67783325 in words is "sixty-seven million, seven hundred eighty-three thousand, three hundred twenty-five".