68875403 has 2 divisors, whose sum is σ = 68875404. Its totient is φ = 68875402.

The previous prime is 68875393. The next prime is 68875423. The reversal of 68875403 is 30457886.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68875403 - 2¹² = 68871307 is a prime.

It is a super-2 number, since 2×68875403² = 9487642276824818, which contains 22 as substring.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (68875423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34437701 + 34437702.

It is an arithmetic number, because the mean of its divisors is an integer number (34437702).

Almost surely, 2^68875403 is an apocalyptic number.

68875403 is a deficient number, since it is larger than the sum of its proper divisors (1).

68875403 is an equidigital number, since it uses as much as digits as its factorization.

68875403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 68875403 is about 8299.1206160653. The cubic root of 68875403 is about 409.9095636345.

The spelling of 68875403 in words is "sixty-eight million, eight hundred seventy-five thousand, four hundred three".