67863427 has 2 divisors, whose sum is σ = 67863428. Its totient is φ = 67863426.

The previous prime is 67863413. The next prime is 67863461. The reversal of 67863427 is 72436876.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67863427 - 2¹¹ = 67861379 is a prime.

It is not a weakly prime, because it can be changed into another prime (67863127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33931713 + 33931714.

It is an arithmetic number, because the mean of its divisors is an integer number (33931714).

Almost surely, 2^67863427 is an apocalyptic number.

67863427 is a deficient number, since it is larger than the sum of its proper divisors (1).

67863427 is an equidigital number, since it uses as much as digits as its factorization.

67863427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 338688, while the sum is 43.

The square root of 67863427 is about 8237.9261346531. The cubic root of 67863427 is about 407.8920702436.

The spelling of 67863427 in words is "sixty-seven million, eight hundred sixty-three thousand, four hundred twenty-seven".