68253667 has 2 divisors, whose sum is σ = 68253668. Its totient is φ = 68253666.

The previous prime is 68253629. The next prime is 68253701. The reversal of 68253667 is 76635286.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68253667 - 2⁷ = 68253539 is a prime.

It is not a weakly prime, because it can be changed into another prime (68256667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34126833 + 34126834.

It is an arithmetic number, because the mean of its divisors is an integer number (34126834).

Almost surely, 2^68253667 is an apocalyptic number.

68253667 is a deficient number, since it is larger than the sum of its proper divisors (1).

68253667 is an equidigital number, since it uses as much as digits as its factorization.

68253667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 43.

The square root of 68253667 is about 8261.5777548844. The cubic root of 68253667 is about 408.6724201943.

The spelling of 68253667 in words is "sixty-eight million, two hundred fifty-three thousand, six hundred sixty-seven".