268473872 has 20 divisors (see below), whose sum is σ = 521839740.
Its totient is φ = 133805568.
The previous prime is 268473853. The next prime is 268473883. The reversal of 268473872 is 278374862.
It can be written as a sum of positive squares in 2 ways, for example, as 2262016 + 266211856 = 1504^2 + 16316^2
It is a Leyland number of the form 144 + 414.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21797 + ... + 31812.
It is an arithmetic number, because the mean of its divisors is an integer number (26091987).
Almost surely, 2268473872 is an apocalyptic number.
It is an amenable number.
268473872 is a deficient number, since it is larger than the sum of its proper divisors (253365868).
268473872 is a wasteful number, since it uses less digits than its factorization.
268473872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 53930 (or 53924 counting only the distinct ones).
The product of its digits is 903168, while the sum is 47.
The square root of 268473872 is about 16385.1723213398.
The cubic root of 268473872 is about 645.1103486862.
The spelling of 268473872 in words is "two hundred sixty-eight million, four hundred seventy-three thousand, eight hundred seventy-two".