263748068 has 24 divisors (see below), whose sum is σ = 475349952. Its totient is φ = 127973664.

The previous prime is 263748041. The next prime is 263748071. The reversal of 263748068 is 860847362.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22121 + ... + 31887.

It is an arithmetic number, because the mean of its divisors is an integer number (19806248).

Almost surely, 2^263748068 is an apocalyptic number.

It is an amenable number.

263748068 is a deficient number, since it is larger than the sum of its proper divisors (211601884).

263748068 is a wasteful number, since it uses less digits than its factorization.

263748068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9971 (or 9969 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 44.

The square root of 263748068 is about 16240.3222874425. The cubic root of 263748068 is about 641.3027403117.

It can be divided in two parts, 2637 and 48068, that added together give a palindrome (50705).

The spelling of 263748068 in words is "two hundred sixty-three million, seven hundred forty-eight thousand, sixty-eight".