274661244 has 72 divisors (see below), whose sum is σ = 815675952. Its totient is φ = 76826880.

The previous prime is 274661243. The next prime is 274661263. The reversal of 274661244 is 442166472.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 274661199 and 274661208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274661243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21529 + ... + 31824.

Almost surely, 2^274661244 is an apocalyptic number.

It is an amenable number.

274661244 is an abundant number, since it is smaller than the sum of its proper divisors (541014708).

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

274661244 is a wasteful number, since it uses less digits than its factorization.

274661244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53387 (or 53382 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The square root of 274661244 is about 16572.9069266680. The cubic root of 274661244 is about 650.0285936139.

The spelling of 274661244 in words is "two hundred seventy-four million, six hundred sixty-one thousand, two hundred forty-four".