68738241 has 32 divisors (see below), whose sum is σ = 108444672. Its totient is φ = 38180160.

The previous prime is 68738233. The next prime is 68738249. The reversal of 68738241 is 14283786.

It is an interprime number because it is at equal distance from previous prime (68738233) and next prime (68738249).

It is not a de Polignac number, because 68738241 - 2³ = 68738233 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 68738241.

It is not an unprimeable number, because it can be changed into a prime (68738249) 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 31 ways as a sum of consecutive naturals, for example, 69436 + ... + 70418.

It is an arithmetic number, because the mean of its divisors is an integer number (3388896).

Almost surely, 2^68738241 is an apocalyptic number.

It is an amenable number.

68738241 is a deficient number, since it is larger than the sum of its proper divisors (39706431).

68738241 is a wasteful number, since it uses less digits than its factorization.

68738241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173.

The product of its digits is 64512, while the sum is 39.

The square root of 68738241 is about 8290.8528511849. The cubic root of 68738241 is about 409.6372778502.

The spelling of 68738241 in words is "sixty-eight million, seven hundred thirty-eight thousand, two hundred forty-one".