68424667 has 2 divisors, whose sum is σ = 68424668. Its totient is φ = 68424666.

The previous prime is 68424661. The next prime is 68424691. The reversal of 68424667 is 76642486.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68424667 - 2¹¹ = 68422619 is a prime.

It is not a weakly prime, because it can be changed into another prime (68424661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34212333 + 34212334.

It is an arithmetic number, because the mean of its divisors is an integer number (34212334).

Almost surely, 2^68424667 is an apocalyptic number.

68424667 is a deficient number, since it is larger than the sum of its proper divisors (1).

68424667 is an equidigital number, since it uses as much as digits as its factorization.

68424667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 43.

The square root of 68424667 is about 8271.9203937175. The cubic root of 68424667 is about 409.0134260691.

The spelling of 68424667 in words is "sixty-eight million, four hundred twenty-four thousand, six hundred sixty-seven".