274803818 has 4 divisors (see below), whose sum is σ = 412205730. Its totient is φ = 137401908.

The previous prime is 274803817. The next prime is 274803857. The reversal of 274803818 is 818308472.

274803818 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 274796929 + 6889 = 16577^2 + 83^2 .

It is not an unprimeable number, because it can be changed into a prime (274803811) by changing a digit.

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 as a sum of consecutive naturals, namely, 68700953 + ... + 68700956.

Almost surely, 2^274803818 is an apocalyptic number.

274803818 is a deficient number, since it is larger than the sum of its proper divisors (137401912).

274803818 is a wasteful number, since it uses less digits than its factorization.

274803818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137401911.

The product of its (nonzero) digits is 86016, while the sum is 41.

The square root of 274803818 is about 16577.2077865966. The cubic root of 274803818 is about 650.1410486804.

The spelling of 274803818 in words is "two hundred seventy-four million, eight hundred three thousand, eight hundred eighteen".