68766247 has 16 divisors (see below), whose sum is σ = 76728960. Its totient is φ = 61106400.

The previous prime is 68766227. The next prime is 68766259. The reversal of 68766247 is 74266786.

It is a cyclic number.

It is not a de Polignac number, because 68766247 - 2⁷ = 68766119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68766197 and 68766206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68766227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99172 + ... + 99862.

It is an arithmetic number, because the mean of its divisors is an integer number (4795560).

Almost surely, 2^68766247 is an apocalyptic number.

68766247 is a deficient number, since it is larger than the sum of its proper divisors (7962713).

68766247 is a wasteful number, since it uses less digits than its factorization.

68766247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894.

The product of its digits is 677376, while the sum is 46.

The square root of 68766247 is about 8292.5416489759. The cubic root of 68766247 is about 409.6929030924.

The spelling of 68766247 in words is "sixty-eight million, seven hundred sixty-six thousand, two hundred forty-seven".