67950427 has 2 divisors, whose sum is σ = 67950428. Its totient is φ = 67950426.

The previous prime is 67950397. The next prime is 67950431. The reversal of 67950427 is 72405976.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67950427 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67950427.

It is not a weakly prime, because it can be changed into another prime (67950227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33975213 + 33975214.

It is an arithmetic number, because the mean of its divisors is an integer number (33975214).

Almost surely, 2^67950427 is an apocalyptic number.

67950427 is a deficient number, since it is larger than the sum of its proper divisors (1).

67950427 is an equidigital number, since it uses as much as digits as its factorization.

67950427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 67950427 is about 8243.2048985816. The cubic root of 67950427 is about 408.0662998594.

The spelling of 67950427 in words is "sixty-seven million, nine hundred fifty thousand, four hundred twenty-seven".