68247641 has 24 divisors (see below), whose sum is σ = 87376896. Its totient is φ = 52708320.

The previous prime is 68247629. The next prime is 68247649. The reversal of 68247641 is 14674286.

It is not a de Polignac number, because 68247641 - 2¹⁸ = 67985497 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68247595 and 68247604.

It is not an unprimeable number, because it can be changed into a prime (68247649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67955 + ... + 68951.

It is an arithmetic number, because the mean of its divisors is an integer number (3640704).

Almost surely, 2^68247641 is an apocalyptic number.

It is an amenable number.

68247641 is a deficient number, since it is larger than the sum of its proper divisors (19129255).

68247641 is a wasteful number, since it uses less digits than its factorization.

68247641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1149 (or 1142 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 68247641 is about 8261.2130465205. The cubic root of 68247641 is about 408.6603928431.

The spelling of 68247641 in words is "sixty-eight million, two hundred forty-seven thousand, six hundred forty-one".