68947267 has 2 divisors, whose sum is σ = 68947268. Its totient is φ = 68947266.

The previous prime is 68947253. The next prime is 68947279. The reversal of 68947267 is 76274986.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68947267 - 2⁷ = 68947139 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68947267.

It is not a weakly prime, because it can be changed into another prime (68947237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34473633 + 34473634.

It is an arithmetic number, because the mean of its divisors is an integer number (34473634).

Almost surely, 2^68947267 is an apocalyptic number.

68947267 is a deficient number, since it is larger than the sum of its proper divisors (1).

68947267 is an equidigital number, since it uses as much as digits as its factorization.

68947267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 49.

The square root of 68947267 is about 8303.4491026320. The cubic root of 68947267 is about 410.0520794443.

It can be divided in two parts, 6894 and 7267, that added together give a square (14161 = 119²).

The spelling of 68947267 in words is "sixty-eight million, nine hundred forty-seven thousand, two hundred sixty-seven".