67997327 has 2 divisors, whose sum is σ = 67997328. Its totient is φ = 67997326.

The previous prime is 67997309. The next prime is 67997401. The reversal of 67997327 is 72379976.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67997327 - 2¹² = 67993231 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67991327) by changing a digit.

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 as a sum of consecutive naturals, namely, 33998663 + 33998664.

It is an arithmetic number, because the mean of its divisors is an integer number (33998664).

Almost surely, 2^67997327 is an apocalyptic number.

67997327 is a deficient number, since it is larger than the sum of its proper divisors (1).

67997327 is an equidigital number, since it uses as much as digits as its factorization.

67997327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1000188, while the sum is 50.

The square root of 67997327 is about 8246.0491752111. The cubic root of 67997327 is about 408.1601619530.

The spelling of 67997327 in words is "sixty-seven million, nine hundred ninety-seven thousand, three hundred twenty-seven".