68268265 has 8 divisors (see below), whose sum is σ = 88223688. Its totient is φ = 50413440.

The previous prime is 68268257. The next prime is 68268271. The reversal of 68268265 is 56286286.

It can be written as a sum of positive squares in 4 ways, for example, as 4012009 + 64256256 = 2003^2 + 8016^2 .

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

It is not a de Polignac number, because 68268265 - 2³ = 68268257 is a prime.

It is a super-2 number, since 2×68268265² = 9321112012220450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 525076 + ... + 525205.

It is an arithmetic number, because the mean of its divisors is an integer number (11027961).

Almost surely, 2^68268265 is an apocalyptic number.

68268265 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

68268265 is a deficient number, since it is larger than the sum of its proper divisors (19955423).

68268265 is a wasteful number, since it uses less digits than its factorization.

68268265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050299.

The product of its digits is 276480, while the sum is 43.

The square root of 68268265 is about 8262.4611950677. The cubic root of 68268265 is about 408.7015535483.

The spelling of 68268265 in words is "sixty-eight million, two hundred sixty-eight thousand, two hundred sixty-five".