274843242 has 24 divisors (see below), whose sum is σ = 596294244. Its totient is φ = 91491264.

The previous prime is 274843211. The next prime is 274843249. The reversal of 274843242 is 242348472.

It can be written as a sum of positive squares in 2 ways, for example, as 237498921 + 37344321 = 15411^2 + 6111^2 .

It is a junction number, because it is equal to n+sod(n) for n = 274843197 and 274843206.

It is not an unprimeable number, because it can be changed into a prime (274843249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4038 + ... + 23790.

Almost surely, 2^274843242 is an apocalyptic number.

274843242 is an abundant number, since it is smaller than the sum of its proper divisors (321451002).

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

274843242 is a wasteful number, since it uses less digits than its factorization.

274843242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20534 (or 20531 counting only the distinct ones).

The product of its digits is 86016, while the sum is 36.

The square root of 274843242 is about 16578.3968464988. The cubic root of 274843242 is about 650.1721374468.

The spelling of 274843242 in words is "two hundred seventy-four million, eight hundred forty-three thousand, two hundred forty-two".