67328357 has 2 divisors, whose sum is σ = 67328358. Its totient is φ = 67328356.

The previous prime is 67328341. The next prime is 67328363. The reversal of 67328357 is 75382376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62315236 + 5013121 = 7894^2 + 2239^2 .

It is a cyclic number.

It is not a de Polignac number, because 67328357 - 2⁴ = 67328341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67328057) by changing a digit.

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 as a sum of consecutive naturals, namely, 33664178 + 33664179.

It is an arithmetic number, because the mean of its divisors is an integer number (33664179).

Almost surely, 2^67328357 is an apocalyptic number.

It is an amenable number.

67328357 is a deficient number, since it is larger than the sum of its proper divisors (1).

67328357 is an equidigital number, since it uses as much as digits as its factorization.

67328357 is an odious number, because the sum of its binary digits is odd.

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

The square root of 67328357 is about 8205.3858532064. The cubic root of 67328357 is about 406.8172304470.

The spelling of 67328357 in words is "sixty-seven million, three hundred twenty-eight thousand, three hundred fifty-seven".