68427403 has 4 divisors (see below), whose sum is σ = 74648088. Its totient is φ = 62206720.

The previous prime is 68427377. The next prime is 68427407. The reversal of 68427403 is 30472486.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68427403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68427407) 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 3 ways as a sum of consecutive naturals, for example, 3110326 + ... + 3110347.

It is an arithmetic number, because the mean of its divisors is an integer number (18662022).

Almost surely, 2^68427403 is an apocalyptic number.

68427403 is a deficient number, since it is larger than the sum of its proper divisors (6220685).

68427403 is a wasteful number, since it uses less digits than its factorization.

68427403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6220684.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 68427403 is about 8272.0857708319. The cubic root of 68427403 is about 409.0188775429.

Adding to 68427403 its reverse (30472486), we get a palindrome (98899889).

It can be divided in two parts, 6 and 8427403, that added together give a square (8427409 = 2903²).

The spelling of 68427403 in words is "sixty-eight million, four hundred twenty-seven thousand, four hundred three".