68241399 has 8 divisors (see below), whose sum is σ = 91335552. Its totient is φ = 45320760.

The previous prime is 68241361. The next prime is 68241401. The reversal of 68241399 is 99314286.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68241399 - 2⁸ = 68241143 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 68241399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68241359) 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, 42457 + ... + 44034.

It is an arithmetic number, because the mean of its divisors is an integer number (11416944).

Almost surely, 2^68241399 is an apocalyptic number.

68241399 is a deficient number, since it is larger than the sum of its proper divisors (23094153).

68241399 is a wasteful number, since it uses less digits than its factorization.

68241399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86757.

The product of its digits is 93312, while the sum is 42.

The square root of 68241399 is about 8260.8352483269. The cubic root of 68241399 is about 408.6479336288.

The spelling of 68241399 in words is "sixty-eight million, two hundred forty-one thousand, three hundred ninety-nine".