67685323 has 2 divisors, whose sum is σ = 67685324. Its totient is φ = 67685322.

The previous prime is 67685291. The next prime is 67685327. The reversal of 67685323 is 32358676.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67685323 - 2⁵ = 67685291 is a prime.

It is a super-2 number, since 2×67685323² = 9162605899228658, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (67685327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33842661 + 33842662.

It is an arithmetic number, because the mean of its divisors is an integer number (33842662).

Almost surely, 2^67685323 is an apocalyptic number.

67685323 is a deficient number, since it is larger than the sum of its proper divisors (1).

67685323 is an equidigital number, since it uses as much as digits as its factorization.

67685323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

The square root of 67685323 is about 8227.1090305161. The cubic root of 67685323 is about 407.5349271881.

The spelling of 67685323 in words is "sixty-seven million, six hundred eighty-five thousand, three hundred twenty-three".