68947266 has 16 divisors (see below), whose sum is σ = 137987424. Its totient is φ = 22966944.

The previous prime is 68947253. The next prime is 68947267. The reversal of 68947266 is 66274986.

It is not an unprimeable number, because it can be changed into a prime (68947267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9150 + ... + 14886.

It is an arithmetic number, because the mean of its divisors is an integer number (8624214).

Almost surely, 2^68947266 is an apocalyptic number.

68947266 is an abundant number, since it is smaller than the sum of its proper divisors (69040158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68947266 is a wasteful number, since it uses less digits than its factorization.

68947266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7745.

The product of its digits is 870912, while the sum is 48.

The square root of 68947266 is about 8303.4490424160. The cubic root of 68947266 is about 410.0520774619.

The spelling of 68947266 in words is "sixty-eight million, nine hundred forty-seven thousand, two hundred sixty-six".