274855212 has 18 divisors (see below), whose sum is σ = 694772988. Its totient is φ = 91618392.

The previous prime is 274855187. The next prime is 274855213. The reversal of 274855212 is 212558472.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 7634867 = 274855212 / (2 + 7 + 4 + 8 + 5 + 5 + 2 + 1 + 2).

It is not an unprimeable number, because it can be changed into a prime (274855213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3817398 + ... + 3817469.

Almost surely, 2^274855212 is an apocalyptic number.

It is an amenable number.

274855212 is an abundant number, since it is smaller than the sum of its proper divisors (419917776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

274855212 is a wasteful number, since it uses less digits than its factorization.

274855212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7634877 (or 7634872 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 274855212 is about 16578.7578545559. The cubic root of 274855212 is about 650.1815760968.

The spelling of 274855212 in words is "two hundred seventy-four million, eight hundred fifty-five thousand, two hundred twelve".