68273863 has 4 divisors (see below), whose sum is σ = 78027280. Its totient is φ = 58520448.

The previous prime is 68273861. The next prime is 68273927. The reversal of 68273863 is 36837286.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36837286 = 2 ⋅18418643.

It is not a de Polignac number, because 68273863 - 2¹ = 68273861 is a prime.

It is a super-2 number, since 2×68273863² = 9322640737885538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68273861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4876698 + ... + 4876711.

It is an arithmetic number, because the mean of its divisors is an integer number (19506820).

Almost surely, 2^68273863 is an apocalyptic number.

68273863 is a deficient number, since it is larger than the sum of its proper divisors (9753417).

68273863 is an equidigital number, since it uses as much as digits as its factorization.

68273863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9753416.

The product of its digits is 290304, while the sum is 43.

The square root of 68273863 is about 8262.7999491698. The cubic root of 68273863 is about 408.7127244233.

The spelling of 68273863 in words is "sixty-eight million, two hundred seventy-three thousand, eight hundred sixty-three".